Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7361077 | Tube and duct edge cleaner | Steve Mardero, Don Girard, Miguel Guzzi, Mathew J. Shewfelt, Gary Tarapacki +1 more | 2008-04-22 |
| 6185803 | Fuzzed fabric liner for a disk cartridge | Yiping Ma, Theodore D. Hodapp, Ronald F. Hales | 2001-02-13 |
| 6148495 | Method for producing a fuzzed fabric liner for a disk cartridge | Yiping Ma, Theodore D. Hodapp, Ronald F. Hales | 2000-11-21 |