| All Patents in class 74/531 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 365,755 | Jun. 28, 1887 | S.E. Moore | Clothes Pin | |
| 575,521 | Jan. 19, 1897 | J.B. Hart | Set Gear for Sawmills | sawmill set works |
| 642,178 | Jan. 30, 1900 | J.R. Thomas, H.S. Spencer | Clamping device | work holding |
| 843,253 | Feb. 05, 1907 | W.A. Barker | Friction-lock | steering apparatus |
| 1,382,529 | Jun. 21, 1921 | S.S. Morton | Lever-Lock | locks |
| 1,568,295 | Jan. 05, 1926 | J.A. Schleicher | Locking device for depth gauge micrometers | depth gauges |
| 1,568,296 | Jan. 05, 1926 | J.A. Schleicher | Spindle clamping device | |
| 2,151,647 | Mar. 21, 1939 | B. Wheeler | Valve Actuating Mechanism | steam engine valve gear |
| 2,307,974 | Jan. 12, 1943 | H.H. Turner | Governor | internal combustion engine governors |
| 2,380,039 | Jul. 10, 1945 | V.W. Gideon | Turning Tool | lathe tools |
| 2,668,515 | Feb. 09, 1954 | T.H. Evans | Micrometer Dial Mechanism | metalworking machine mechanisms |
| 2,774,430 | Dec. 18, 1956 | W.J. Blazek | Latching means for die set retainers | dies for punch presses |
| 3,073,589 | Jan. 15, 1963 | G. Hohwart | Work clamping fixture | work holding |
| 3,390,592 | Jul. 02, 1968 | J.G. Padelt | Coupling for Shutter Release Cable for Cameras | camera accessories |
| 4,036,078 | Jul. 19, 1977 | A.A. Muehling | Brake pedal positioning mechanism | vehicle brakes |
