Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9390573 | Access control reader enabling remote applications | Margaret Marshall Chesney | 2016-07-12 |
| 8888002 | Access control reader enabling remote applications | Margaret Marshall Chesney | 2014-11-18 |
| 5437134 | Collapsible security grille | — | 1995-08-01 |
| 4590047 | Method for desulfurizing combustion gases | by Marion Y. Donnelly, heir | 1986-05-20 |
| 4400355 | Apparatus for desulfurizing combustion gases | by Marion Y. Donnelly, heir | 1983-08-23 |