Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9539846 | Binding machine | — | 2017-01-10 |
| 9044988 | Binding machine | — | 2015-06-02 |
| 7980779 | Adjustable tab divider | Ryan Shafer, Irene Wong, Tom Lutzow, Matthew Chace Carpenter | 2011-07-19 |
| 7731442 | Adjustable tab divider | Ryan Shafer, Irene Wong, Tom Lutzow, Matthew Chace Carpenter | 2010-06-08 |
| D601624 | Adjustable tab divider | Tom Lutzow | 2009-10-06 |