Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10562192 | Window cleaning system and method | Scott M. Azzarello, Timothy B. McGlinchy | 2020-02-18 |
| 6973250 | Method of and apparatus for managing a length of optical fibre | Martin Sabry | 2005-12-06 |
| 6464204 | Portable vehicle lift and method | Danny L. Johnson | 2002-10-15 |
| 6206346 | Portable vehicle lift and method | Danny L. Johnson | 2001-03-27 |
| 6199825 | Method to raise vehicles | Danny L. Johnson | 2001-03-13 |
| 5947448 | Portable vehicle lift and method | Danny L. Johnson | 1999-09-07 |
| 5666042 | Switching current spike limiter for three phase coupled inductor conductive battery charger | — | 1997-09-09 |
| 5631534 | Bidirectional current pump for battery charge balancing | — | 1997-05-20 |