Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278968 | Door status detector apparatus | Coleman C. Arnett, Mark Miller | 1981-07-14 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278968 | Door status detector apparatus | Coleman C. Arnett, Mark Miller | 1981-07-14 |