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Patent applications and USPTO patent grants for Harvill; William A..The latest application filed is for "pneumatically powerable double acting positive displacement fluid pump".
Patent | Date |
---|---|
Pneumatically powerable double acting positive displacement fluid pump Grant 4,354,806 - McMillin , et al. October 19, 1 | 1982-10-19 |
Diaphragm type fluid pump having a flexible diaphragm with an internal reinforcing plate Grant 4,334,838 - Fessler , et al. June 15, 1 | 1982-06-15 |
Beverage dispenser Grant 4,333,587 - Fessler , et al. June 8, 1 | 1982-06-08 |
Method of and apparatus for making and dispensing a carbonated beverage utilizing propellant carbon dioxide gas for carbonating Grant 4,304,736 - McMillin , et al. December 8, 1 | 1981-12-08 |
Beverage dispenser Grant D261,390 - Harvill October 20, 1 | 1981-10-20 |
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