Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D299385 | Belt mounted rule holder | — | 1989-01-17 |
| 4757927 | Holder for suspending rule clip or the like | — | 1988-07-19 |
| 4578867 | Spring coilable top reading rule with improved guide structure for coilable blade | Frank Czerwinski | 1986-04-01 |
| 4487379 | Coilable tape rule with shifting hub, reel assembly therefor, and method of assembling | Mark A. Drechsler | 1984-12-11 |
| 4466194 | True zero tape hook | — | 1984-08-21 |
| 4434952 | Power returnable coilable rule cartridge and coil rule assembly employing same | Frank Czerwinski | 1984-03-06 |
| 4429462 | Variable stiffness rule blade, rule employing same, and method of making same | Carl C. Stoutenberg | 1984-02-07 |
| 4411072 | Variable stiffness rule blade, rule employing same, and method of making same | Carl C. Stoutenberg | 1983-10-25 |