Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6356738 | Method and apparatus for communicating data with a transponder | Drew J. Thwaites | 2002-03-12 |
| RE33783 | Document scanning system | Charles W. Spehrley, Jr., Curtis A. Lipkie, Dean H. Cranston | 1991-12-31 |
| 4686581 | Document scanning system | Charles W. Spehrley, Jr., Curtis A. Lipkie, Dean H. Cranston | 1987-08-11 |