Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264822 | System for transmitting audio advertising messages to shopping carts moving through spatially defined transmission zones arranged in a store | Joseph H. Vogelman | 1993-11-23 |
| 4332981 | Cordless telephone | Joseph H. Vogelman | 1982-06-01 |