Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464372 | Lamp device and assembly | Howard Eng, Rolland B. Hall | 2002-10-15 |
| 6193391 | Modular lamp assembly and method of assembling same | Karl E. Ray, Rolland B. Hall, Scott M. Hardenstine | 2001-02-27 |