Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D476913 | Tape measure housing | William C. Blackman, James P. Edwards | 2003-07-08 |
| D471473 | Tape measure housing | William C. Blackman, Robert Grubbs, James P. Edwards, Tina L. Fox | 2003-03-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D476913 | Tape measure housing | William C. Blackman, James P. Edwards | 2003-07-08 |
| D471473 | Tape measure housing | William C. Blackman, Robert Grubbs, James P. Edwards, Tina L. Fox | 2003-03-11 |