Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867150 | Graphic indexing system | Daniel Bricklin, John Friend, Winslow B. Kelley, Peter Levin | 1999-02-02 |
| 5716335 | Ankle brace with adjustable heel strap | Joseph M. Iglesias, Tracy E. Grim, William K. Arnold | 1998-02-10 |
| 5539427 | Graphic indexing system | Daniel Bricklin, John Friend, Winslow B. Kelley, Peter Levin | 1996-07-23 |