Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D738882 | Touchless microwave switch | Garrett Y. Kaufman, John Echols, R. Douglas Hogg | 2015-09-15 |
| D724588 | Smart card RFID reader | Garrett Y. Kaufman, John Echols, R. Douglas Hogg | 2015-03-17 |
| 5674018 | Weatherproof electronic keypad with replaceable graphics overlay | Peter N. Kaufman, John Echols | 1997-10-07 |
| 4528445 | Head for optical card reader | James A. Willmore | 1985-07-09 |