| All Patents in class 408/124 |
Patents 76 -
90
of 118
      |
| Number | Date | Patentee | Title | Type |
| 1,764,515 | Jun. 17, 1930 | D.C. Klausmeyer | Direct Reading Gear Shift Mechanism | metalworking speed changing mechanisms |
| 1,765,592 | Jun. 24, 1930 | H.E. Darby, D.C. Klausmeyer | Single Lever Eight-Speed Shift Mechanism | metalworking speed changing mechanisms |
| 1,781,192 | Nov. 11, 1930 | H.G. Procunier | Tapping attachment | tapping heads and chucks |
| 1,883,728 | Oct. 18, 1932 | J.F. Haas | Portable power driven threading machine | handheld power tools |
| 1,937,645 | Dec. 05, 1933 | G.O. Leopold, J. Leopold, T.J. Fegley | Push Drill | push drills |
| 2,012,047 | Aug. 20, 1935 | J.R. Johnson | Boring Head | boring heads |
| 2,012,082 | Aug. 20, 1935 | W.G. Hoelscher, G.E. Hieber | Hydraulic Gear Shifting System | hydraulic apparatus |
| 2,012,340 | Aug. 27, 1935 | G.W. Emrick | Tapping attachment | tapping heads and chucks |
| 2,070,372 | Feb. 09, 1937 | L.L. Schauer, A.M. Sosa | Sleeveless motion reverse | drill presses |
| 2,119,986 | Jun. 07, 1938 | A.J. Dremel | Electric motor | handheld power tools |
| 2,155,082 | Apr. 18, 1939 | A.G. Decker | Portable electric tool and casing | handheld power drills |
| 2,161,548 | Jun. 06, 1939 | C.E. Miller | Threading Mechanism | automatic lathes |
| 2,170,502 | Aug. 22, 1939 | M.E. Martellotti | Machine Tool Transmission | metalworking variable speed mechanisms |
| 2,228,622 | Jan. 14, 1941 | G.W. Emrick | Clutch mechanism | tapping heads and chucks |
| 2,231,465 | Feb. 11, 1941 | G.W. Emrick | Tapping attachment | tapping heads and chucks |
