Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6539977 | Self draining orifice for pneumatic lines | Robert D. Wittenbach | 2003-04-01 |
| 6497589 | Methods and apparatus for electrical connections | Stephen Charles HANAK | 2002-12-24 |