| |
 |
|
Class Information
Number: 33/1D
Name: Geometrical instruments > Miscellaneous > Indexing and verniers
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6925411 |
Method and apparatus for aligning semiconductor chips using an actively driven vernier |
Aug. 2, 2005 |
| 5832422 |
Measuring device |
Nov. 3, 1998 |
| 5778542 |
Relative position indicator |
Jul. 14, 1998 |
| 5305531 |
Stamp indexing tool |
Apr. 26, 1994 |
| 5185936 |
Probe head with indexing mechanism |
Feb. 16, 1993 |
| 5084981 |
Probe head |
Feb. 4, 1992 |
| 5083378 |
Two dimensional vernier |
Jan. 28, 1992 |
| 4845496 |
Electro-optical displacement sensor |
Jul. 4, 1989 |
| 4836315 |
Weighing scale |
Jun. 6, 1989 |
| 4777728 |
Mounting to establish a basic reference for measuring machines and machine tools |
Oct. 18, 1988 |
| 4720699 |
Optical encoder using line array detectors |
Jan. 19, 1988 |
| 4647850 |
Integrated circuit for measuring mask misalignment |
Mar. 3, 1987 |
| 4607436 |
Automotive vehicles tire-spanning beam outside calipers |
Aug. 26, 1986 |
| 4566193 |
Use of an electronic vernier for evaluation of alignment in semiconductor processing |
Jan. 28, 1986 |
| 4486958 |
Drawing head |
Dec. 11, 1984 |
| 4459702 |
Electronic vernier |
Jul. 10, 1984 |
| 4218822 |
Visual-display device with error correction |
Aug. 26, 1980 |
| 4196522 |
Alignment fixture |
Apr. 8, 1980 |
| 4137643 |
Gauging assembly |
Feb. 6, 1979 |
| 3959888 |
Precise indexing detent |
Jun. 1, 1976 |
| 3951532 |
Microfiche reader employing dual incremental advancing means |
Apr. 20, 1976 |
|
|
|
