Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922155 | Information display board | Garrett L. Evans, Kevin A. Roll | 2005-07-26 |
| 6525493 | Materials test chamber with xenon lamp radiation | Douglas M. Grossman, Gregory Fedor | 2003-02-25 |
| 6285137 | Materials test chamber with xenon lamp radiation | Douglas M. Grossman, Gregory Fedor | 2001-09-04 |
| 5195060 | Security system for swimming pools and like bodies of water | — | 1993-03-16 |
| 4857810 | Current interruption operating circuit for a gaseous discharge lamp | John M. Davenport, Pieter J. von Herrmann | 1989-08-15 |