Butterfield Group
Patent Applications and Registrations
Patent applications and USPTO patent grants for Butterfield Group.The latest application filed is for "non-reusable hypodermic syringe".
- Butterfield Group - Santa Maria CA
| Patent | Date |
|---|---|
| Non-reusable hypodermic syringe Grant 4,713,056 - Butterfield December 15, 1 | 1987-12-15 |
| Tamper-resistant hypodermic syringe Grant 4,531,940 - Butterfield * July 30, 1 | 1985-07-30 |
| Hypodermic syringe cartridge with non-retractable drive piston Grant 4,493,703 - Butterfield January 15, 1 | 1985-01-15 |
| Tamper-resistant hypodermic syringe Grant 4,447,229 - Butterfield May 8, 1 | 1984-05-08 |
| Hypodermic syringe Grant 4,439,187 - Butterfield March 27, 1 | 1984-03-27 |
| Broken seal detector Grant 4,429,803 - Butterfield February 7, 1 | 1984-02-07 |
| Tamper-alerting device for vials and syringes Grant 4,418,827 - Butterfield December 6, 1 | 1983-12-06 |
| SEC | 0000710269 | BUTTERFIELD GROUP |
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