Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9614496 | Filter circuits with emitter follower transistors and servo loops | — | 2017-04-04 |
| 8854133 | Incremental gain amplifier | Barrie Gilbert, Todd C. Weigandt | 2014-10-07 |
| 8362836 | Incremental gain amplifier | Barrie Gilbert, Todd C. Weigandt | 2013-01-29 |
| 8125275 | Amplifier having input/output cells with discrete gain steps | Barrie Gilbert | 2012-02-28 |
| 8072205 | Peak-to-average measurement with envelope pre-detection | Sukhjinder S. Deo, Barrie Gilbert | 2011-12-06 |
| D637299 | Tape bandage roll | — | 2011-05-03 |
| D633213 | Bandage roll | — | 2011-02-22 |
| 7880542 | Incremental gain amplifier | Barrie Gilbert, Todd C. Weigandt | 2011-02-01 |
| 7812673 | Amplifier having input/output cells with discrete gain steps | Barrie Gilbert | 2010-10-12 |
| RE40588 | Vending machine audit monitoring system with matrix interface | Eugene G. Ostendorf, Irwin D. Morris, Gerald W. Smith | 2008-11-25 |
| RE39234 | Vending machine audit monitoring system | Eugene G. Ostendorf, Irwin D. Morris, Gerald W. Smith | 2006-08-08 |
| 5924081 | Vending machine audit monitoring system with matrix interface | Eugene G. Ostendorf, Irwin D. Morris, Gerald W. Smith | 1999-07-13 |
| 5442568 | Vending machine audit monitoring system | Eugene G. Ostendorf, Irwin D. Morris, Gerald W. Smith | 1995-08-15 |
| RE33314 | Vending machine power switching apparatus | — | 1990-08-28 |
| 4604557 | Vending machine power switching apparatus | — | 1986-08-05 |