| All Patents in class 192/12R |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 118,658 | Aug. 29, 1871 | W.P. Wentworth | Improvement in water-elevators | water elevators |
| 267,465 | Nov. 14, 1882 | C. Seymour | Mortising-machine | mortising machines |
| 713,487 | Nov. 11, 1902 | P. Olsen | Device for operating the dogs of hoisting-engines | hoists, winches, come-alongs |
| 1,021,875 | Apr. 02, 1912 | C.L. Libby | Gearing | metal lathes |
| 1,281,149 | Oct. 08, 1918 | C.H. Driver | Power hacksaw | metal sawing machines |
| 1,842,425 | Jan. 26, 1932 | G. Langen, T. Addison, H.L. Rambo | Feed Mechanism for Machine Tools | metalworking machine mechanisms |
| 2,148,326 | Feb. 21, 1939 | H.J. Siekmann | Combined Clutch and Brake Device | metalworking machine mechanisms |
| 2,169,747 | Aug. 15, 1939 | R.B. Treer | Power press | metalworking presses |
| 2,681,203 | Jun. 15, 1954 | W.E. Seger | Ranch Pliers | combination tools |
| 3,038,386 | Jun. 12, 1962 | S.F. Kulpa, C.A. Parske | Power Operated Tool Draw-In Bar | milling machines |
| 3,239,039 | Mar. 08, 1966 | L.M. Burgett | Punch press with adjustable ram | punch presses |
| 3,507,212 | Apr. 21, 1970 | D.J. Matteson | Fluidic control circuit for presses | hydraulic metalworking presses |
