Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10219582 | Protection devices for use in shoes or other products | Bert Appleton Spiller, Stephen Douglas Ammon, Brian Lee Strother, Thomas Yeh | 2019-03-05 |
| 10178892 | Protection devices for use in shoes or other products | Bert Appleton Spiller, Stephen Douglas Ammon | 2019-01-15 |
| 9554617 | Protection devices for use in shoes or other products | Bert Appleton Spiller, Stephen Douglas Ammon | 2017-01-31 |
| 8943708 | Anti-fatigue ply rib construction | Bert Appleton Spiller, Stephen Douglas Ammon | 2015-02-03 |
| 8635789 | Protection devices for use in shoes or other products | Bert Appleton Spiller, Stephen Douglas Ammon | 2014-01-28 |
| D646050 | Footwear tread | — | 2011-10-04 |
| D597735 | Footwear tread | — | 2009-08-11 |
| D424797 | Shoe upper | Diana A. Wurfbain | 2000-05-16 |
| D412777 | Shoe sole | Diana A. Wurfbain | 1999-08-17 |
| D402798 | Shoe sole | Diana A. Wurfbain | 1998-12-22 |