| 6936376 |
Non-interruptible battery changing system |
— |
2005-08-30 |
| 5278916 |
Fingerprint image apparatus |
George R. Walsh |
1994-01-11 |
| 4676626 |
Optical system for electrophotographic film camera/reader-verifier |
— |
1987-06-30 |
| 4595276 |
Inclined toner flow control system for developing an electrostatic latent image upon a roll cassette, aperture card, or microfiche type electrophotographic film element |
— |
1986-06-17 |
| 4526850 |
Diode bias electrophotographic toning system and method |
— |
1985-07-02 |
| 4515463 |
Inclined toner flow control system for developing an electrostatic latent image upon an electrophotographic film |
— |
1985-05-07 |
| 4461566 |
Desk-top camera/processor-reader apparatus for electrophotographic film |
— |
1984-07-24 |
| 4461561 |
Apparatus for imaging and developing electrophotographic microformats |
— |
1984-07-24 |
| 4392734 |
Electrophotographic camera |
— |
1983-07-12 |
| 4249328 |
Electrophotographic slide and method of making same |
— |
1981-02-10 |
| 4248521 |
Electrographic recording apparatus and method |
Lee R. Brown, Jose L. Herrera |
1981-02-03 |
| 4244321 |
Electrographic development electrode |
— |
1981-01-13 |
| 4202619 |
Electrophotographic apparatus |
— |
1980-05-13 |
| 4197970 |
Electrostatic drive system |
— |
1980-04-15 |
| 4195991 |
Electrographic recording method of applying an electric field opposite the charge retaining layer |
Lee R. Brown, L. Herrera Jose |
1980-04-01 |