| Patents for Bridgeport Hardware Mfg. Co. |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 1,755,822 | Apr. 22, 1930 | W.F. Hobbs | Screw Driver and Method of Making the Same | screwdriver handles |
| 1,770,899 | Jul. 22, 1930 | J.A. Anderson | Valve Spring Lifter | valve spring tools |
| 1,782,981 | Nov. 25, 1930 | J.A. Anderson | Improvement in Screwdriver blades | screwdriver blades |
| 1,809,450 | Jun. 09, 1931 | A.I. Platt | Wrench Kit Holder | wrench set holders |
| 1,830,663 | Nov. 03, 1931 | J.A. Anderson, A.E. Keating | Hatchet, Hammer, or Similar Tool | hatchets |
| 1,888,222 | Nov. 22, 1932 | A.E. Keating, H.B. Curtis | Screw Driver | screwdrivers |
| D97,325 | Oct. 29, 1935 | H.B. Curtis | Wrench | nut wrenches |
| 2,123,393 | Jul. 12, 1938 | J.F. Windsor | Tool Handle | screwdriver handles |
| 2,507,231 | May 09, 1950 | L.D. Tomalis, administratrix, J.J. Tomalis, estate of (deceased) | Screw Driver Having Cruciform Bit | screwdriver blades |
