Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7337590 | Tank retaining system | John Burwell, Robin Berg, David Grams | 2008-03-04 |
| 7028967 | Tank retaining system | John Burwell, Robin Berg, David Grams | 2006-04-18 |
| 6564614 | Method and apparatus for vacuum testing water resistant and watertight risers and lids | Albert F. Doris, Robin Berg, James S. Anderson | 2003-05-20 |
| 5767402 | Material testing system having DC brushless linear motor | Gary Sandlass, Larry G. Mosiman, Scott Gale Johnson | 1998-06-16 |
| 4613174 | Reversible latching hinge | Robin Berg, Walter Ecker | 1986-09-23 |