Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9471158 | Universal stylus | Joseph John Cecala, III, Robert D. Polak, Edward George Vardy | 2016-10-18 |
| 5738954 | Battery continuation apparatus and method thereof | David L. Weigand, Glenn C. Goergen | 1998-04-14 |