Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074481 | Radio frequency identification (RFID) system for manufacturing, distribution and retailing of keys | Sandra Dively, Robert M. Steinberg, Richard W. Ryai, Sr. | 2011-12-13 |
| 7891919 | Key duplication machine | William R. Mutch, Richard W. Ryai, Sr., Chester O. D. Thompson, Robert E. Drake, Randall A. Porras | 2011-02-22 |
| 7890878 | Object identification system | Michael B. Hanish, William R. Mutch, Richard W. Ryai, Sr., Chester O. D. Thompson, David E. Shaner +1 more | 2011-02-15 |