Johnston; Douglas
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnston; Douglas.The latest application filed is for "actively controlled exercise device".
- Johnston; Douglas - San Francisco CA
- Johnston; Douglas - Winchester MA
- Johnston; Douglas - Decatur AL
| Patent | Date |
|---|---|
| Actively Controlled Exercise Device App 20170095695 - Mangusson; Lee ; et al. | 2017-04-06 |
| Ventilator control system and method Grant 5,931,160 - Gilmore , et al. August 3, 1 | 1999-08-03 |
| Method and apparatus for the jet injection of agricultural liquids into the soil Grant 4,624,193 - Johnston November 25, 1 | 1986-11-25 |
| Pump for soil fumigant Grant 4,141,676 - Jannen , et al. Feb | 1979-02-27 |
| Tramper for cotton module maker Grant 3,961,572 - Johnston June 8, 1 | 1976-06-08 |
| Centrifugal Pump Grant 3,741,679 - Johnston June 26, 1 | 1973-06-26 |
| Flow Control Assembly And Method Grant 3,670,962 - Johnston June 20, 1 | 1972-06-20 |
| Pressure Accumulator Grant 3,598,323 - Johnston , et al. August 10, 1 | 1971-08-10 |
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