Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D882116 | Cart corral | David J. Schaffer | 2020-04-21 |
| D879325 | Cart corral | David J. Schaffer | 2020-03-24 |
| D874023 | Cart corral | David J. Schaffer | 2020-01-28 |
| D874022 | Cart corral | David J. Schaffer | 2020-01-28 |
| D852980 | Cart corral | David J. Schaffer | 2019-07-02 |
| D844823 | Cart corral | David J. Schaffer | 2019-04-02 |
| D844825 | Cart corral | David J. Schaffer | 2019-04-02 |
| 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 |