| |
 |
|
Class Information
Number: 283/93
Name: Printed matter > Having revealable concealed information, fraud preventer or detector, use preventer or detector, or identifier > Utilizing electromagnetic radiation > Having dot pattern
Description: Subject matter wherein the printed matter is provided with structure in the form of a specific arrangement of a plurality of small geometric marks generally made by an imprinting process.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6039357 |
Security bands to prevent counterfeiting with color copies |
Mar. 21, 2000 |
| 6000728 |
Security document |
Dec. 14, 1999 |
| 6001516 |
Copy restrictive color-negative photographic print media |
Dec. 14, 1999 |
| 5999280 |
Holographic anti-imitation method and device for preventing unauthorized reproduction |
Dec. 7, 1999 |
| 5995638 |
Methods and apparatus for authentication of documents by using the intensity profile of moire patterns |
Nov. 30, 1999 |
| 5984366 |
Unalterable self-verifying articles |
Nov. 16, 1999 |
| 5975583 |
Carrier representing value and comprising patterns applied by a laser beam |
Nov. 2, 1999 |
| 5954368 |
Security document containing a non-orthogonal array |
Sep. 21, 1999 |
| 5951056 |
Information reproduction system for reproducing a two-dimensional, optically readable code |
Sep. 14, 1999 |
| 5951055 |
Security document containing encoded data block |
Sep. 14, 1999 |
| 5919730 |
Copy restrictive documents |
Jul. 6, 1999 |
| 5912767 |
Diffractive indicia for a surface |
Jun. 15, 1999 |
| 5904375 |
Security support with an imprinted micropattern contained therein which prevents falsification of documents when high-resolution copier machines are used |
May. 18, 1999 |
| 5864742 |
Copy restrictive system using microdots to restrict copying of color-reversal documents |
Jan. 26, 1999 |
| 5860679 |
Information recording medium, two-dimensional code, information reproduction system and information reproduction method |
Jan. 19, 1999 |
| 5856266 |
Copy restrictive documents |
Jan. 5, 1999 |
| 5853197 |
Security document |
Dec. 29, 1998 |
| 5843564 |
Copy restrictive documents |
Dec. 1, 1998 |
| 5830609 |
Security printed document to prevent unauthorized copying |
Nov. 3, 1998 |
| 5823576 |
Copy-resistant document |
Oct. 20, 1998 |
| 5818032 |
Encoded color halftone micro-dots for high density digital information storage |
Oct. 6, 1998 |
| 5810396 |
Abstract pattern plate-making system and printed matter |
Sep. 22, 1998 |
| 5788285 |
Document protection methods and products |
Aug. 4, 1998 |
| 5772249 |
Method of generating a security design with the aid of electronic means |
Jun. 30, 1998 |
| 5772250 |
Copy restrictive color-reversal documents |
Jun. 30, 1998 |
| 5769458 |
Cards having variable benday patterns |
Jun. 23, 1998 |
| 5735547 |
Anti-photographic/photocopy imaging process and product made by same |
Apr. 7, 1998 |
| 5730470 |
Quality data collection in rotary offset printing of single editions |
Mar. 24, 1998 |
| 5722693 |
Embossed document protection methods and products |
Mar. 3, 1998 |
| 5718457 |
Method of marking objects with code symbols |
Feb. 17, 1998 |
| 5707083 |
Security documents with multi-angled voids |
Jan. 13, 1998 |
| 5708717 |
Digital anti-counterfeiting software method and apparatus |
Jan. 13, 1998 |
| 5704651 |
Counterfeit resistant documents and methods |
Jan. 6, 1998 |
| 5685570 |
Postage stamps |
Nov. 11, 1997 |
| 5582103 |
Method for making an anti-counterfeit latent image formation object for bills, credit cards, etc. |
Dec. 10, 1996 |
| 5577774 |
Method of recording/reproducing data of mesh pattern, and apparatus therefor |
Nov. 26, 1996 |
| 5575508 |
Method and apparatus for inhibiting the copying of checks and negotiable documents |
Nov. 19, 1996 |
| 5563401 |
Bar codes and methods |
Oct. 8, 1996 |
| 5507527 |
Two dimensional code for processing data |
Apr. 16, 1996 |
| 5500313 |
Holographic flake pigment |
Mar. 19, 1996 |
| 5487567 |
Printing method and copy-evident secure document |
Jan. 30, 1996 |
| 5483363 |
Security device |
Jan. 9, 1996 |
| 5479507 |
Copy indicating security device |
Dec. 26, 1995 |
| 5443579 |
Printed matter and method for printing the same |
Aug. 22, 1995 |
| 5429392 |
Composite microdot and method |
Jul. 4, 1995 |
| 5421619 |
Laser imaged identification card |
Jun. 6, 1995 |
| 5403039 |
Tamper-resistant article and method of authenticating the same |
Apr. 4, 1995 |
| 5396559 |
Anticounterfeiting method and device utilizing holograms and pseudorandom dot patterns |
Mar. 7, 1995 |
| 5375886 |
Counterfeit-proof paper for discouraging attempt at reproduction with copying device |
Dec. 27, 1994 |
| 5364735 |
Multiple layer optical record medium with protective layers and method for producing same |
Nov. 15, 1994 |
|
|
|
