Bigbee; Marvin L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bigbee; Marvin L..The latest application filed is for "conservation opener".
- Bigbee; Marvin L. - Ankeny IA
| Patent | Date |
|---|---|
| Conservation opener Grant 4,760,806 - Bigbee , et al. August 2, 1 | 1988-08-02 |
| Implement transport hitch Grant 4,723,787 - Hadley , et al. February 9, 1 | 1988-02-09 |
| Multiple implement hitch and transport Grant 4,518,046 - Rettig , et al. May 21, 1 | 1985-05-21 |
| Feed grinding and mixing apparatus Grant 4,201,348 - Bigbee , et al. May 6, 1 | 1980-05-06 |
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