Johnson; Roger L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Roger L..The latest application filed is for "method of manufacture of an automotive vehicle having an air conditioning system".
- Johnson; Roger L. - Fort Wayne IN
- Johnson; Roger L. - Chula Vista CA
- Johnson; Roger L. - Wayzata MN
- Johnson; Roger L. - Monticello IL
| Patent | Date |
|---|---|
| Method of manufacture of an automotive vehicle having an air conditioning system Grant 4,989,412 - Johnson February 5, 1 | 1991-02-05 |
| Modular automotive air conditioning system and method Grant 4,909,046 - Johnson March 20, 1 | 1990-03-20 |
| Disaster mitigation gas shut-off device Grant 4,658,846 - Johnson April 21, 1 | 1987-04-21 |
| Pump apparatus Grant 3,905,725 - Johnson September 16, 1 | 1975-09-16 |
| Light Beam Position Encoder Apparatus Grant 3,860,754 - Johnson , et al. January 14, 1 | 1975-01-14 |
| Optical Read-out/read-in Apparatus For Plasma Display/memory Panels Grant 3,796,997 - Johnson , et al. March 12, 1 | 1974-03-12 |
| Infrared Light Beam X-y Position Encoder For Display Devices Grant 3,775,560 - Ebeling , et al. November 27, 1 | 1973-11-27 |
| Fluid Positionable Means And Fluid Control Means Therefor Grant 3,738,227 - Bitzer , et al. June 12, 1 | 1973-06-12 |
| Radial And Circumferential Magnetic Head Positioning Mechanism Grant 3,641,529 - Bitzer , et al. February 8, 1 | 1972-02-08 |
| SEC | 0001381854 | Johnson Roger L |
| SEC | 0000941927 | JOHNSON ROGER L |
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