Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8744792 | Measurement apparatus | Ian Francis Tindall, Linda Phillips Crumpler | 2014-06-03 |
| 6493231 | Electrical apparatus | Brian Frederick Nicholson, David M. Jacobson, Surinder Pal Singh Sangha, Giles Humpston, William Martin Lovell | 2002-12-10 |
| 4740220 | Dust detection | David Mark, Gordon Lynch, Harold Gibson | 1988-04-26 |
| 4675034 | Dust collector | Gordon Lynch, Peter McLuckie, David Mark | 1987-06-23 |
| 4616513 | Dust collection | Harold Gibson, Gordon Lynch, David Mark | 1986-10-14 |
| 4586389 | Dust detection | David Mark, Harold Gibson, Gordon Lynch | 1986-05-06 |