Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12123717 | Total station with compensation for misaligned optical aiming point | — | 2024-10-22 | $29,237,000 |
| 8510946 | Helicopter blade mandrel with roller assembly | Richard A. Callis, Nate Gray, David P. Bailey | 2013-08-20 | $17,183,000 |
| 8122665 | Break-away multi-purpose flooring transition | Oliver Stanchfield, Sven Kornfalt, Roland Larsson, William T. Pierce, Sabad La Serna +1 more | 2012-02-28 | |
| 8066504 | Helicopter blade mandrel with roller assembly | Richard A. Callis, Nate Gray, David P. Bailey | 2011-11-29 | $7,356,000 |
| 7793483 | Ventilated floor moldings | Oliver Stanchfield, Sven Kornfalt, Roland Larsson, William T. Pierce, Sabad La Serna +1 more | 2010-09-14 | |
| 7699117 | Fire protection sprinkler system and related apparatus | Alan Johnston | 2010-04-20 | |
| 4919743 | Method of laying carpet to avoid seam peaking and apparatus therefor | Alan Johnston | 1990-04-24 | |
| 4749433 | Method of laying carpet to avoid seam peaking and apparatus therefor | Alan Johnston | 1988-06-07 |