Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006246 | Baffled particulate material housing | Peter J. Harissis, Krishna S. Menon | 1991-04-09 |
| 4990248 | Reverse osmosis apparatus | Barry M. Brown, Joseph C. Holzer, Augustine Pavel, Frederick Tone, Henry L. West | 1991-02-05 |
| 4909934 | Water purification system | Barry M. Brown, Frederick Tone | 1990-03-20 |
| 4851818 | Electronic controller for a water purifying unit | Barry M. Brown, William T. Fearnside, Henry L. West | 1989-07-25 |
| 4824564 | Dry sump liquid filter | James T. Greene, Richard Mayo | 1989-04-25 |
| 4685648 | Counterbalancing apparatus for use in an optical instrument | Michael H. Dobner | 1987-08-11 |
| 4497556 | Photographic still camera | — | 1985-02-05 |
| 4488796 | Photographic still camera film system | — | 1984-12-18 |
| 4338634 | Frame-rate converting film scanner with two-dimensional solid state image sensing array | Peter L. P. Dillon, Richard A. Spaulding | 1982-07-06 |
| 4295713 | Film and photographic apparatus | — | 1981-10-20 |
| 4263623 | Slow-frame video camera/recorder and image-sensing and signal processing device for use therewith | Nea-Yea Woo | 1981-04-21 |
| 4245247 | Hard copy reproduction from video disc information | Bruce G. Fike, deceased, Dennis G. Howe | 1981-01-13 |
| 4243850 | Apparatus for tracking a record track on a video disc | — | 1981-01-06 |
| 4223990 | Film and photographic apparatus | — | 1980-09-23 |