Johnson; Clarence S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Clarence S..The latest application filed is for "diver's pulse stretch sonar".
- Johnson; Clarence S. - San Diego CA
- Johnson; Clarence S. - Pomona CA
| Patent | Date |
|---|---|
| Diver's pulse stretch sonar Grant 4,041,441 - Johnson August 9, 1 | 1977-08-09 |
| Electric Anti-shark Dart Grant 3,771,249 - Johnson , et al. November 13, 1 | 1973-11-13 |
| Boiler Tube End-fitting Assembly Grant 3,747,572 - Johnson July 24, 1 | 1973-07-24 |
| Water Heater Grant 3,741,169 - Johnson June 26, 1 | 1973-06-26 |
| Hull Inspection Platform Grant 3,741,143 - McKinley , et al. June 26, 1 | 1973-06-26 |
| Full View Diver's Mask Grant 3,725,953 - Johnson , et al. April 10, 1 | 1973-04-10 |
| Full View Diver's Mask Grant 3,671,976 - Johnson , et al. June 27, 1 | 1972-06-27 |
| Sea Cage Grant 3,633,370 - McKinley , et al. January 11, 1 | 1972-01-11 |
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