Schaefer; Louis F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schaefer; Louis F..The latest application filed is for "video tape format for providing special effects capabilities".
- Schaefer; Louis F. - Palo Alto CA
| Patent | Date |
|---|---|
| Video tape format for providing special effects capabilities Grant 5,557,418 - Schaefer September 17, 1 | 1996-09-17 |
| Method of storing digital video, audio and control information on an an optical storage medium Grant 5,343,458 - Schaefer , et al. August 30, 1 | 1994-08-30 |
| Bidirectional sinusoidal scanning system Grant 5,321,684 - Schaefer , et al. June 14, 1 | 1994-06-14 |
| Multiple variable light source printer Grant 4,791,494 - Schaefer December 13, 1 | 1988-12-13 |
| Dual beam optical data system Grant 4,730,293 - Pierce , et al. March 8, 1 | 1988-03-08 |
| Method and apparatus for dynamic focusing control of a radiant energy beam Grant 4,714,310 - Peppers , et al. December 22, 1 | 1987-12-22 |
| Apparatus for coding and/or decoding a document Grant 4,480,179 - Schaefer , et al. October 30, 1 | 1984-10-30 |
| Color television film scanning system using uniform motion and line arrays Grant 4,310,847 - Frohbach , et al. January 12, 1 | 1982-01-12 |
| Disc recording tracking system Grant 4,205,338 - Schaefer May 27, 1 | 1980-05-27 |
| Real-time ultrasonic B-scan imaging and Doppler profile display system and method Grant 4,141,347 - Green , et al. February 27, 1 | 1979-02-27 |
| Information recording and reproducing system with plural information tracks within a single groove Grant 4,006,292 - Schaefer February 1, 1 | 1977-02-01 |
| Toner concentration detector Grant 3,999,687 - Baer , et al. December 28, 1 | 1976-12-28 |
| Electrophotographic liquid developing system Grant 3,981,267 - Gardiner , et al. September 21, 1 | 1976-09-21 |
| Contacting pickup optical reproduction system Grant 3,980,811 - Schaefer , et al. September 14, 1 | 1976-09-14 |
| Method and apparatus for error compensation in multichannel systems Grant 3,959,770 - Schaefer May 25, 1 | 1976-05-25 |
| Ultrasonic camera system and method Grant 3,937,066 - Green , et al. February 10, 1 | 1976-02-10 |
| Automatic development electrode bias control system Grant 3,892,481 - Schaefer , et al. July 1, 1 | 1975-07-01 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 