Keifer; Terry A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keifer; Terry A..The latest application filed is for "security and display system".
- Keifer; Terry A. - Reading PA
- Keifer; Terry A. - Flying Hills Reading
- Keifer; Terry A. - Pottstown PA
| Patent | Date |
|---|---|
| Security and display system Grant 5,146,205 - Keifer , et al. September 8, 1 | 1992-09-08 |
| Security apparatus for retail goods Grant 4,620,182 - Keifer October 28, 1 | 1986-10-28 |
| Versatile garment security device Grant 4,598,827 - Keifer July 8, 1 | 1986-07-08 |
| Product monitoring device Grant 4,380,097 - Keifer April 19, 1 | 1983-04-19 |
| Product Monitoring Device And System Grant 3,806,910 - Keifer , et al. April 23, 1 | 1974-04-23 |
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