Ericson; Alvin E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ericson; Alvin E..The latest application filed is for "tear resistant separable end-connected bags".
- Ericson; Alvin E. - Chicago IL
| Patent | Date |
|---|---|
| Tear resistant separable end-connected bags Grant 4,285,681 - Walitalo , et al. August 25, 1 | 1981-08-25 |
| Apparatus for making tear resistant separable end-connected bags Grant 4,064,776 - Walitalo , et al. December 27, 1 | 1977-12-27 |
| Method of perforating thermoplastic film Grant 3,979,494 - Ericson September 7, 1 | 1976-09-07 |
| Plastic Bag Having Arcuate Closed End And Arcuate Lipped Open End Grant 3,804,322 - Ericson April 16, 1 | 1974-04-16 |
| Shouldered Wickets Grant 3,777,930 - Ericson , et al. December 11, 1 | 1973-12-11 |
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