Hopper; Chester S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hopper; Chester S..The latest application filed is for "packing material having expanded graphite dispersed throughout".
- Hopper; Chester S. - Newton CT
- Hopper; Chester S. - Newtown CT
| Patent | Date |
|---|---|
| Packing material having expanded graphite dispersed throughout Grant 5,687,974 - Wilkinson , et al. November 18, 1 | 1997-11-18 |
| Packing material Grant 5,370,926 - Hopper December 6, 1 | 1994-12-06 |
| Packing material Grant 4,559,862 - Case , et al. December 24, 1 | 1985-12-24 |
| Resilient gasket material Grant 4,298,207 - Hopper , et al. November 3, 1 | 1981-11-03 |
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