Bernard; Arthur A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bernard; Arthur A..The latest application filed is for "universal twist drill sharpener apparatus".
- Bernard; Arthur A. - Ashland OR
- Bernard; Arthur A. - Beecher IL
| Patent | Date |
|---|---|
| Universal twist drill sharpener apparatus Grant 4,471,581 - Bernard , et al. September 18, 1 | 1984-09-18 |
| Filter, particularly for smoke solids filtration Grant 3,883,331 - Bernard , et al. May 13, 1 | 1975-05-13 |
| Arc Welding Gun Unitized Gas Hose And Electrical Control Cord Grant 3,746,832 - Bernard , et al. July 17, 1 | 1973-07-17 |
| Thermionic Insulated Arc Welding Gun Grant 3,728,514 - Bernard , et al. April 17, 1 | 1973-04-17 |
| Arc Welding Gun Grant 3,676,640 - Bernard , et al. July 11, 1 | 1972-07-11 |
| Dual-purpose Welding Cable Grant 3,596,786 - Bernard , et al. August 3, 1 | 1971-08-03 |
| Spatter And Heat Shield For Welding Gun Grant 3,597,576 - Bernard , et al. August 3, 1 | 1971-08-03 |
| Arc Welding Gun Grant 3,576,423 - Bernard , et al. April 27, 1 | 1971-04-27 |
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