Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424830 | Portable data collection network with telephone and voice mail capability | Timothy P. O'Hagan | 2002-07-23 |
| 5159635 | System for encoding data in machine readable graphic form | — | 1992-10-27 |