Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834838 | Wheelchair ramp | Richard Hoffberg, Nicholas Peterson, Paula Zubiri, Berk Alper, Ashwini Ganpule | 2023-12-05 |
| 9751256 | Joint molding apparatus | William Peter Zivich, Ashley J. Norris | 2017-09-05 |
| 7233837 | Apparatus and methods for performing operations on an object | David Hooke | 2007-06-19 |
| 5350611 | Integral end attachment fitting | Walter Franklin, Bryan W. Kreimendahl | 1994-09-27 |
| 5217555 | Process for making hollow tubular structural members with integral end attachment fittings | Walter Franklin, Bryan W. Kreimendahl | 1993-06-08 |