Wech; Robert J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wech; Robert J..The latest application filed is for "draw tape bag forming method and apparatus".
- Wech; Robert J. - Green Bay WI
| Patent | Date |
|---|---|
| Draw tape bag forming method and apparatus Grant 4,881,933 - Wech November 21, 1 | 1989-11-21 |
| Intermittent rotational drive Grant 4,425,988 - Stock , et al. January 17, 1 | 1984-01-17 |
| Indexing roll drive system Grant 4,261,779 - Wech April 14, 1 | 1981-04-14 |
| Bag machine cycle interrupt Grant 4,077,306 - Wech March 7, 1 | 1978-03-07 |
| Multipurpose sealing and severing method and mechanism Grant 4,019,947 - Stock , et al. April 26, 1 | 1977-04-26 |
| Heat Sealing Head Grant 3,779,838 - Wech December 18, 1 | 1973-12-18 |
| Bag Machine Grant 3,722,376 - Wech March 27, 1 | 1973-03-27 |
| Bag Machine Grant 3,663,338 - Wech May 16, 1 | 1972-05-16 |
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