Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D560734 | Octo pool cue | — | 2008-01-29 |
| D560735 | Snake pool cue | — | 2008-01-29 |
| D556276 | Twist pool cue | — | 2007-11-27 |
| D507611 | Wavy grip pool cue | — | 2005-07-19 |
| 4569545 | Laminated hasp | Udo Hartmann, Kenneth N. Grandy | 1986-02-11 |
| D281949 | Hasp | Udo Hartmann, Kenneth N. Grandy | 1985-12-31 |