Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351613 | Tanks for mixing apparatus | Henry F. Hope | 1982-09-28 |
| 4332483 | Mixing apparatus | Henry F. Hope | 1982-06-01 |
| 4327989 | Drive mechanism for photographic film and paper processing machine | Henry F. Hope | 1982-05-04 |
| 4324354 | Apparatus for processing photographic materials | Henry F. Hope | 1982-04-13 |
| 4313668 | Control circuit for a film processing apparatus | Henry F. Hope | 1982-02-02 |
| 4312470 | Apparatus for processing photographic materials | Henry F. Hope | 1982-01-26 |
| 4307831 | Transport system for film | Henry F. Hope | 1981-12-29 |
| 4305669 | Mixing apparatus | Henry F. Hope | 1981-12-15 |
| 4302163 | Adjustable output pump for liquids | Henry F. Hope | 1981-11-24 |
| 4295590 | Apparatus for processing photographic materials | Henry F. Hope | 1981-10-20 |
| 4272000 | Film guidance apparatus | Henry F. Hope | 1981-06-09 |
| 4255039 | Photographic film and paper processing equipment | Henry F. Hope | 1981-03-10 |
| 4252429 | Curvilinear, geared transport roller system | Henry F. Hope | 1981-02-24 |
| 4239367 | Continuous-band web transport | Henry F. Hope | 1980-12-16 |
| 4233742 | Apparatus for area measurement of elongated strips | Henry F. Hope | 1980-11-18 |
| 4231724 | Adjustable metering pump | Henry F. Hope | 1980-11-04 |
| 4214379 | Dryer rack using staggered rollers | Henry F. Hope | 1980-07-29 |
| 4190617 | Mixing pump system | Henry F. Hope | 1980-02-26 |