Swartzendruber; Ray E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Swartzendruber; Ray E..The latest application filed is for "method and apparatus for circulating air".
- Swartzendruber; Ray E. - Syracuse IN
| Patent | Date |
|---|---|
| Method and apparatus for circulating air Grant 5,567,200 - Swartzendruber October 22, 1 | 1996-10-22 |
| Method and apparatus for controlling temperature within poultry houses and the like Grant 5,492,082 - Krevinghaus , et al. February 20, 1 | 1996-02-20 |
| Feeder for poultry Grant D321,959 - Cole , et al. November 26, 1 | 1991-11-26 |
| Feeder apparatus Grant 4,995,343 - Cole , et al. February 26, 1 | 1991-02-26 |
| Poultry feeder Grant D302,750 - Brembeck , et al. August 8, 1 | 1989-08-08 |
| Poultry feeder assembly Grant 4,834,026 - Brembeck , et al. May 30, 1 | 1989-05-30 |
| Hanging poultry watering unit Grant D295,091 - Swartzendruber April 5, 1 | 1988-04-05 |
| Apparatus for feeding livestock Grant 4,640,229 - Swartzendruber , et al. February 3, 1 | 1987-02-03 |
| Adjustable feeder with brood gate Grant 4,476,811 - Swartzendruber October 16, 1 | 1984-10-16 |
| Feeder pan assembly Grant 4,070,990 - Swartzendruber January 31, 1 | 1978-01-31 |
| Load cell and control for bulk bin Grant 4,044,920 - Swartzendruber August 30, 1 | 1977-08-30 |
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