Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9818041 | High security key scanning system | William R. Mutch, Randall A. Porras, Chester O. D. Thompson | 2017-11-14 |
| 9682432 | Key duplication machine | William R. Mutch, Randall A. Porras | 2017-06-20 |