Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230159 | Tape rule calculator | — | 1993-07-27 |
| 4488250 | Hand-held calculator for performing calculations in feet, inches and fractions | Henry B. Teague | 1984-12-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230159 | Tape rule calculator | — | 1993-07-27 |
| 4488250 | Hand-held calculator for performing calculations in feet, inches and fractions | Henry B. Teague | 1984-12-11 |