Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928211 | Lighthead assembly | Leonard L. Hallings, Bruce A. Sanborn, James E. Schryver | 1990-05-22 |
| 4916597 | Lighthead assembly | Leonard L. Hallings, Bruce A. Sanborn | 1990-04-10 |