Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7500699 | Clamping mechanical pipe coupling derived from a standard fitting | Ronald R. Snyder, Sr., Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole | 2009-03-10 |
| 7404543 | Slow closing actuator and valve | Richard R. Weston | 2008-07-29 |
| 7121593 | Triple-expanded mechanical pipe coupling derived from a standard fitting | Ronald R. Snyder, Sr., Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole | 2006-10-17 |
| 6913292 | Mechanical pipe coupling derived from a standard fitting | Ronald R. Snyder, Sr., Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Douglas R. Dole | 2005-07-05 |