Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8987583 | Variable optical density solar collector | Joel F Farber, Harry R Campbell, James P. Campbell | 2015-03-24 |
| 8174776 | Array of concentrating lenses and method of manufacture | James P. Campbell, Harry R Campbell, Joel F Farber | 2012-05-08 |
| 8168467 | Solar cell method of fabrication via float glass process | James P. Campbell, Harry R Campbell, Joel F Farber | 2012-05-01 |
| 8148192 | Transparent solar cell method of fabrication via float glass process | James P. Campbell, Harry R Campbell, Joel F Farber | 2012-04-03 |
| 8129215 | Method for producing high temperature thin film silicon layer on glass | James P. Campbell, Harry R Campbell, Joel F Farber | 2012-03-06 |