Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7758220 | In-ground inspection system | William J. Grothe, James R. Zarian | 2010-07-20 |
| 6997594 | Under vehicle inspection system | William J. Grothe, Jianli Ren, Peter McNicol | 2006-02-14 |
| 6866427 | Fiber optic LED light | — | 2005-03-15 |
| 5937127 | Linear light form with multilayered jacketing | James R. Zarian, Gregg S Whitaker, John A. Robbins | 1999-08-10 |
| 4782430 | Light conduit illumination system for underwater lighting | John A. Robbins | 1988-11-01 |