Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9616906 | Hand truck outrigger | Donna Carlson | 2017-04-11 |
| 5053607 | Point-of-sale device particularly adapted for processing checks | Steven R. Carlson | 1991-10-01 |
| 4759736 | Folding wing glider | — | 1988-07-26 |
| 4758714 | Point-of-sale mechanism | Steven R. Carlson | 1988-07-19 |
| 4678896 | Point-of sale mechanism | Steven R. Carlson | 1987-07-07 |
| 4332572 | Remotely manually controllable belt drive clutch | Richard L. Carlson | 1982-06-01 |