Lewis; Duane H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lewis; Duane H..The latest application filed is for "tamper indicating closure system utilizing axially extending ratchet".
- Lewis; Duane H. - Claysville PA
| Patent | Date |
|---|---|
| Tamper indicating closure system utilizing axially extending ratchet Grant 4,930,647 - Dutt , et al. June 5, 1 | 1990-06-05 |
| Tamper evident closure with hook-like locking tabs Grant 4,856,665 - Dutt , et al. August 15, 1 | 1989-08-15 |
| Container cap Grant 4,823,995 - Lewis April 25, 1 | 1989-04-25 |
| Low profile dispensing cap Grant 4,580,687 - Lewis April 8, 1 | 1986-04-08 |
| Tamper-evident spice can lid Grant 4,463,869 - Lewis August 7, 1 | 1984-08-07 |
| Container cover locking assembly Grant 4,359,171 - Lewis November 16, 1 | 1982-11-16 |
| Container cover locking assembly Grant 4,280,636 - Lewis July 28, 1 | 1981-07-28 |
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