Friendship; Kenneth F. M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Friendship; Kenneth F. M..The latest application filed is for "ribbed preform for use in the blow molding of a plastic material container".
- Friendship; Kenneth F. M. - Clarendon Hills IL
- Friendship; Kenneth F. M. - Simsbury CT
- Friendship; Kenneth F. M. - Hinsdale IL
| Patent | Date |
|---|---|
| Ribbed preform for use in the blow molding of a plastic material container Grant 4,977,005 - Krishnakumar , et al. December 11, 1 | 1990-12-11 |
| Plastic cap with pressure seal Grant 4,531,650 - Friendship July 30, 1 | 1985-07-30 |
| Plastic container with internal rib reinforced bottom Grant 4,525,401 - Pocock , et al. June 25, 1 | 1985-06-25 |
| Roll on capping head Grant 3,895,478 - Friendship July 22, 1 | 1975-07-22 |
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