Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7181985 | Conduit inspection apparatus and method | John Stewart MacMillan, Patrick McBride, John Gibb MacMillan, Colin Main, David Kennedy | 2007-02-27 |
| 5404631 | Method of extracting a bushing from a bore | Jerry L. Boyd | 1995-04-11 |
| 5363543 | Method of aligning two bushings in a bore | Jerry L. Boyd | 1994-11-15 |
| 5317793 | Apparatus for installing bushings concentrically in a bore | Jerry L. Boyd | 1994-06-07 |