Fischer; Robert R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fischer; Robert R..The latest application filed is for "method of making a knife having a scalloped cutting edge".
- Fischer; Robert R. - Michigan City IN
| Patent | Date |
|---|---|
| Method of making a knife having a scalloped cutting edge Grant 5,022,299 - Fischer , et al. June 11, 1 | 1991-06-11 |
| Method of making a knife having a scalloped cutting edge Grant 4,891,885 - Fischer , et al. January 9, 1 | 1990-01-09 |
| Knife assembly for a water gun Grant 4,766,793 - Fischer , et al. August 30, 1 | 1988-08-30 |
| Circular knife and method of making same Grant 4,706,524 - Fischer , et al. November 17, 1 | 1987-11-17 |
| Impeller for comminuting equipment Grant 4,660,778 - Fischer , et al. April 28, 1 | 1987-04-28 |
| Method of comminuting a product Grant 4,657,190 - Fischer , et al. April 14, 1 | 1987-04-14 |
| Comminuting equipment Grant 4,610,397 - Fischer , et al. September 9, 1 | 1986-09-09 |
| Impeller for comminuting equipment Grant D285,085 - Fischer , et al. August 12, 1 | 1986-08-12 |
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