Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1061768 | Golf putter | Reed Potter, Paul M. Demkowski | 2025-02-11 |
| D1047042 | Golf club head | Giancarlo Bruschi, Paul M. Demkowski, Robert Nunez, Greg Cesario | 2024-10-15 |
| 8980982 | Electromagnetic spectrally detectable plastic packaging components | Robert Martin, John Gregory Bruce, Darylnn Phillips Jordan, Craig Martin Stearns | 2015-03-17 |
| 8601842 | Lock protection system | Eric A. Sheldahl | 2013-12-10 |
| 6793587 | Trial golf club, golf club fitting system and methods of using the same | David Llewellyn, Masao Nagai | 2004-09-21 |
| 6345853 | Self-supporting, confined space entry mobile unit | John L. Sullivan, Timothy R. Wanke | 2002-02-12 |
| 5941438 | Utility belt | — | 1999-08-24 |
| 4316489 | Method and device for eliminating air from water bed mattresses | — | 1982-02-23 |