Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1075986 | Human claw machine | Mark W. Sprenger | 2025-05-20 |
| D1065404 | Human claw machine | Mark W. Sprenger | 2025-03-04 |
| D1065403 | Human claw machine | Mark W. Sprenger | 2025-03-04 |
| 8386074 | Vending machine | Mark W. Sprenger | 2013-02-26 |
| D649880 | Cylinder package | Mark W. Sprenger | 2011-12-06 |
| D638882 | Vending machine product holder | Mark W. Sprenger | 2011-05-31 |
| D632955 | Clamshell package | Mark W. Sprenger | 2011-02-22 |
| 4341289 | Disc brakes | — | 1982-07-27 |