Westfall; James E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Westfall; James E..The latest application filed is for "single-piece plastic closure having integral seal forming means".
- Westfall; James E. - Western Springs IL
| Patent | Date |
|---|---|
| Single-piece plastic closure having integral seal forming means Grant 4,274,544 - Westfall June 23, 1 | 1981-06-23 |
| Press-on twist-off infestation-proof closure for oxygen sensitive products Grant 4,000,825 - Westfall January 4, 1 | 1977-01-04 |
| Childproof closure Grant 3,901,400 - Westfall August 26, 1 | 1975-08-26 |
| Composite closure Grant 3,866,782 - Westfall February 18, 1 | 1975-02-18 |
| Composite Closure Grant 3,690,499 - Westfall , et al. September 12, 1 | 1972-09-12 |
| Press-on, Twist-off Tamper Indicating Closure Cap Grant 3,685,677 - Westfall August 22, 1 | 1972-08-22 |
| Container Closure Grant 3,677,431 - Westfall July 18, 1 | 1972-07-18 |
| Composite Closure Grant 3,656,648 - Powaloski , et al. April 18, 1 | 1972-04-18 |
| Transferable Finish Ring And Container And Closure For Use Therewith Grant 3,603,472 - Lecinski, Jr. , et al. September 7, 1 | 1971-09-07 |
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