Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501912 | Dual film exposure, electronic exposure camera with electronic information editing after each exposure and information recording on film after completed exposure | Robert G. Hills | 2002-12-31 |
| 6363224 | Camera that records print quantity designation on film for each exposure, and has print quantity totalling | Stephen G. Malloy Desormeaux, Robert G. Hills | 2002-03-26 |
| 6351616 | Dual film exposure, electronic exposure camera with film rewrite function | — | 2002-02-26 |
| 6349177 | Dual film exposure, electronic exposure camera with delay in film rewind after final exposure to allow film rewrite | Robert G. Hills | 2002-02-19 |
| 6321039 | Dual film exposure, electronic exposure camera with multiple rewrite on film except for final exposure | Robert G. Hills | 2001-11-20 |
| 5321494 | Subtractive measurement method and apparatus for CRT output intensity measurement | Timothy Donahue | 1994-06-14 |