Fischbein; Irwin W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fischbein; Irwin W..The latest application filed is for "cutting tool with alloy coated sharpened edge".
- Fischbein; Irwin W. - Canton MA
| Patent | Date |
|---|---|
| Cutting Tool With Alloy Coated Sharpened Edge Grant 3,829,969 - Fischbein , et al. August 20, 1 | 1974-08-20 |
| Razor Blades And Processes For The Preparation Thereof Grant 3,652,342 - Fischbein , et al. March 28, 1 | 1972-03-28 |
| Razor Blades Grant 3,638,308 - Fischbein , et al. February 1, 1 | 1972-02-01 |
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