Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5789847 | High efficiency sealed beam reflector lamp with reflective surface of heat treated silver | David R. Woodward, Walter A. Boyce | 1998-08-04 |
| 5493170 | High efficiency sealed beam reflector lamp | David R. Woodward, James A. Cinalli, Douglas W. Shriver, Walter A. Boyce, Edmund R. Kern | 1996-02-20 |