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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4181448 |
Combination roadway and pipeline way in permafrost regions |
Jan. 1, 1980 |
| 4181447 |
Joint for tubular structural elements particularly for the jointing of the structural elements o... |
Jan. 1, 1980 |
| 4181446 |
Pre-operative surgical scrubber |
Jan. 1, 1980 |
| 4181445 |
Device for selecting a line to be printed in a printer |
Jan. 1, 1980 |
| 4181444 |
Device for printing out indices and powers in typewriters |
Jan. 1, 1980 |
| 4181443 |
Drive mechanism for a reciprocating printer carriage |
Jan. 1, 1980 |
| 4181442 |
Apparatus for determining amino acids |
Jan. 1, 1980 |
| 4181441 |
Internal reflectance spectrometer |
Jan. 1, 1980 |
| 4181440 |
Over-under double-pass interferometer |
Jan. 1, 1980 |
| 4181439 |
Smoke detector with a conical ring-shaped radiation region |
Jan. 1, 1980 |
| 4181438 |
Direct temperature control and measurement for furnace atomizers in atomic spectroscopy |
Jan. 1, 1980 |
| 4181437 |
Apparatus for examining the infrared spectrum of small quantities of materials in the vapor phas... |
Jan. 1, 1980 |
| 4181436 |
Microscope scanning accessory for a photometer |
Jan. 1, 1980 |
| 4181435 |
Holographic field lens detector |
Jan. 1, 1980 |
| 4181434 |
Color compensation system for Abbe refractometer |
Jan. 1, 1980 |
| 4181433 |
Method for determining the refractive index profile of optical fibers and optical fiber preforms |
Jan. 1, 1980 |
| 4181432 |
Velocity measuring system |
Jan. 1, 1980 |
| 4181431 |
Laser distance measuring apparatus |
Jan. 1, 1980 |
| 4181430 |
Method and apparatus for optical method of measuring rail displacement |
Jan. 1, 1980 |
| 4181429 |
Sample copy system for xerographic reproduction machine |
Jan. 1, 1980 |
| 4181428 |
Special effects compound and slide holder therefor |
Jan. 1, 1980 |
| 4181427 |
Optical projection apparatus |
Jan. 1, 1980 |
| 4181426 |
Random-dump storage buffer for moving web |
Jan. 1, 1980 |
| 4181425 |
Apparatus for cleaning photosensitive member |
Jan. 1, 1980 |
| 4181424 |
Method of and means for synchronously transferring original and copying paper for electrostatic ... |
Jan. 1, 1980 |
| 4181423 |
Electrostatic color printing systems and methods using modulated ion streams |
Jan. 1, 1980 |
| 4181422 |
Process and apparatus for developing and cleaning a charge image carrier |
Jan. 1, 1980 |
| 4181421 |
Film processing |
Jan. 1, 1980 |
| 4181420 |
Development device for developing sheets of diazo copying material |
Jan. 1, 1980 |
| 4181419 |
Interchangeable lens for SLR-cameras having TTL light metering |
Jan. 1, 1980 |
| 4181418 |
Film sheet cassette |
Jan. 1, 1980 |
| 4181417 |
Shutter operation control device for a photographic camera |
Jan. 1, 1980 |
| 4181416 |
Data printer for a camera |
Jan. 1, 1980 |
| 4181415 |
Camera |
Jan. 1, 1980 |
| 4181414 |
Self developing camera with film feedout control |
Jan. 1, 1980 |
| 4181413 |
Electronic shutter control circuit |
Jan. 1, 1980 |
| 4181412 |
Optical exposure measuring system for photographic cameras |
Jan. 1, 1980 |
| 4181411 |
Indicator device used in camera to indicate exposure values within a finder |
Jan. 1, 1980 |
| 4181410 |
Method and apparatus for automatic implementation of fade-in, fade-out and fade-over recording e... |
Jan. 1, 1980 |
| 4181409 |
Aspheric lens series |
Jan. 1, 1980 |
| 4181408 |
Vision compensation |
Jan. 1, 1980 |
| 4181407 |
Apparatus for automatically testing vision by phase measurements |
Jan. 1, 1980 |
| 4181406 |
Electrochromic display device |
Jan. 1, 1980 |
| 4181405 |
Head-up viewing display |
Jan. 1, 1980 |
| 4181404 |
Microfiche reader projection screen |
Jan. 1, 1980 |
| 4181403 |
Optical fiber with compression surface layer |
Jan. 1, 1980 |
| 4181402 |
Single optical fiber connector |
Jan. 1, 1980 |
| 4181401 |
Fiber optic waveguide connector |
Jan. 1, 1980 |
| 4181400 |
Connector with positioning sleeves for a single optical fibre |
Jan. 1, 1980 |
| 4181399 |
Optical internal reflectance switchable coupler |
Jan. 1, 1980 |
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