Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069809 | Stabilizing openings for corrugated plastic water craft floor | Samuel James Wagenknecht, Charles Maxwell Wagenknecht | 2011-12-06 |
| 7386941 | Slit pick and hold triple function graphic arts safety blade | Samuel James Wagenknecht, Charles Maxwell Wagenknecht | 2008-06-17 |
| 7309364 | Paddle blade end with sidewalls form eccentric shaft | Charles Maxwell Wagenknecht, Samuel James Wagenknecht | 2007-12-18 |