Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293413 | Gravity field energy storage and recovery system | James Francis Kellinger | 2022-04-05 |
| 11085423 | Gravity field energy storage and recovery system | James Francis Kellinger | 2021-08-10 |
| 10677227 | Gravity field energy storage and recovery system | James Francis Kellinger | 2020-06-09 |
| 10138875 | Gravity field energy storage and recovery system | James Francis Kellinger | 2018-11-27 |
| 5805148 | Multistandard video and graphics, high definition display system and method | Kumar B. Swamy, Patrice Capitant, Vinson R. Perry | 1998-09-08 |
| 5351161 | Variable scale rotary switch | Robert Duffy, Lee A. Cotterill, William S. Herz, Joe McArdle | 1994-09-27 |
| 5307456 | Integrated multi-media production and authoring system | — | 1994-04-26 |
| 5305438 | Video storage, processing, and distribution system using recording format independent hierarchical storages and processors | Donald G. Morgan, Matthew Robert Adams | 1994-04-19 |
| D341833 | Video editing and production console | Joseph McArdle | 1993-11-30 |
| D341834 | Video editing and production console | Joseph McArdle | 1993-11-30 |
| 5253071 | Method and apparatus for stabilizing an image produced in a video camera | — | 1993-10-12 |
| 5208624 | Camera lens and filter adapter assembly | — | 1993-05-04 |
| 5191320 | Variable scale input device | — | 1993-03-02 |
| 5187630 | Multi-parameter variable scale rotary switch | Robert Duffy, Lee A. Cotterill, William S. Herz, Joe McArdle | 1993-02-16 |
| 5148154 | Multi-dimensional user interface | Robert Jay Berger, Robert Duffy, Ted E. Langford | 1992-09-15 |
| 5112390 | Replaceable core silver recovery equipment and method of making and using | — | 1992-05-12 |
| 4240617 | Ultra low volume processing of and cartridge for photographic fixer solution to recover silver therefrom | — | 1980-12-23 |