Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254546 | Photovoltaic cell array | — | 1981-03-10 |
| 4223196 | Welded tubular articles and method for making the same | Paul M. Erlandson, Roger S. Brigham, deceased | 1980-09-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254546 | Photovoltaic cell array | — | 1981-03-10 |
| 4223196 | Welded tubular articles and method for making the same | Paul M. Erlandson, Roger S. Brigham, deceased | 1980-09-16 |