Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9042055 | Grooved tape guide roller | Daniel W. Underkofler | 2015-05-26 |
| 8947824 | Tape guide roller with serpentine flanges | William J. Vanderheyden | 2015-02-03 |
| 8220734 | Tape drive | William J. Vanderheyden | 2012-07-17 |
| 8027122 | Dual sided tape storage device and dual sided tape drive | William J. Vanderheyden, Richard H. Dee, William T. Veno | 2011-09-27 |
| 7913943 | Tape drive | William J. Vanderheyden | 2011-03-29 |
| 6994293 | Tape drive transport roller | — | 2006-02-07 |