Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8339804 | Programmable routing module | Jerry L. Penick, Gregg M. Sichner, David S. Wehrle | 2012-12-25 |
| 7800919 | Programmable routing module | Jerry L. Penick, Gregg M. Sichner, David S. Wehrle | 2010-09-21 |
| 7172369 | Methods for aligning pipes and connecting the lined pipe with adjacent or lateral pipes | James Tate | 2007-02-06 |
| 7037043 | Methods for lining pipes and connecting the lined pipe with adjacent or lateral pipes | James Tate | 2006-05-02 |
| 6154683 | Low voltage industrial control system providing intrinsically safe operation | Michael Kessler, Robin Slater, Robert J. Kretschmann, Martin Junker | 2000-11-28 |
| 4529653 | Flexible, asbestos-free gasket material | Brian A. Hargreaves, Robert A. Lancaster, Noel C. McKenzie | 1985-07-16 |
| 4300075 | AC Regulator system for quartz iodine lamps | Ralph G. Foose | 1981-11-10 |