Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10503384 | Object identification system | Richard W. Ryai, Michael B. Hanish, Chester O. D. Thompson, William R. Mutch, David E. Shaner +1 more | 2019-12-10 |
| 10480214 | Data key and method of using same | Sandra Dively, Robert M. Steinberg, Richard W. Ryai, Sr. | 2019-11-19 |
| 10421133 | Key duplication machine | William R. Mutch, Richard W. Ryai, Sr., Chester O. D. Thompson, Robert E. Drake, Randall A. Porras | 2019-09-24 |