Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D788320 | Cart corral | David J. Schaffer | 2017-05-30 |
| 9614398 | Custom wireless retrofitted solar powered public telephone | Richard C. Contrata, III, David J. Schaffer | 2017-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D788320 | Cart corral | David J. Schaffer | 2017-05-30 |
| 9614398 | Custom wireless retrofitted solar powered public telephone | Richard C. Contrata, III, David J. Schaffer | 2017-04-04 |