Bettcher; Louis A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bettcher; Louis A..The latest application filed is for "boning and trimming knife".
- Bettcher; Louis A. - Amherst OH
| Patent | Date |
|---|---|
| Boning and trimming knife Grant 4,637,140 - Bettcher January 20, 1 | 1987-01-20 |
| Boning and trimming knife and housing Grant 4,590,676 - Bettcher May 27, 1 | 1986-05-27 |
| Product pusher for cutting apparatus Grant 4,463,643 - Bettcher | 1984-08-07 |
| Rotary hand knife Grant 4,439,924 - Bettcher April 3, 1 | 1984-04-03 |
| Ring blade knife having wear plate Grant 4,198,750 - Bettcher April 22, 1 | 1980-04-22 |
| Knife with removable blade Grant 4,178,683 - Bettcher December 18, 1 | 1979-12-18 |
| Trimming knife Grant 4,175,321 - Bettcher November 27, 1 | 1979-11-27 |
| Knife with removable blade housing Grant 4,170,063 - Bettcher October 9, 1 | 1979-10-09 |
| Trimming knife Grant 4,166,317 - Bettcher September 4, 1 | 1979-09-04 |
| Air Driven Boning And Trimming Knives Grant 3,852,882 - Bettcher December 10, 1 | 1974-12-10 |
| Comestible Slicing Apparatus Grant 3,782,230 - Bettcher January 1, 1 | 1974-01-01 |
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