Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8541909 | System having a variable frequency power distribution bus for driving a variable speed motor | Edgar S. Thaxton | 2013-09-24 |
| 8196259 | Delayed action door constraint with remote closing by and of a second door | Daniel Isaak Armstrong | 2012-06-12 |
| 7969044 | System having a variable frequency power distribution bus for driving a variable speed motor | Edward Thaxton | 2011-06-28 |
| 6675535 | Remote control door operating and coupling assembly | — | 2004-01-13 |
| 6497004 | Delayed action door holder | — | 2002-12-24 |
| 5461908 | Automative diagnostic testing apparatus | — | 1995-10-31 |
| 5369991 | Automative diagnostic testing apparatus | — | 1994-12-06 |
| 5293666 | Delayed action door holder | — | 1994-03-15 |