Schumacher; Friedrich W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schumacher; Friedrich W..The latest application filed is for "sieve for harvesting machines".
- Schumacher; Friedrich W. - 57612 Eichelhardt DE
- Schumacher; Friedrich W. - Eichelhardt DE
| Patent | Date |
|---|---|
| Sieve for harvesting machines Grant 5,588,912 - Schumacher, II , et al. December 31, 1 | 1996-12-31 |
| Cleaning sieve for the harvested crop of agricultural machines Grant 5,527,219 - Schumacher , et al. June 18, 1 | 1996-06-18 |
| Coupling for connecting hydraulic lines Grant 5,316,033 - Schumacher , et al. May 31, 1 | 1994-05-31 |
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