| All Patents in class 279/137 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 1,320,660 | Nov. 04, 1919 | H.W. Thompson | Lathe Chuck | metal lathe chucks |
| 1,775,992 | Sep. 16, 1930 | G.W. Emrick | Chuck device | tapping machines |
| 1,835,591 | Dec. 08, 1931 | E.P. Bullard | Automatic Work Feeding and Chucking Means for Multiple Spindle Lathes | |
| 2,122,360 | Jun. 28, 1938 | G.A. Highberg, H.E. Sloan | Chuck | metal lathe chucks |
| 2,372,592 | Mar. 27, 1945 | J.E. Lovely | Fluid Actuated Double Ended Chuck Spindle | metalworking machine mechanisms |
| 2,423,244 | Jul. 01, 1947 | J.E. Lovely | Power-operated Chuck | metal lathe chucks |
| 2,528,442 | Oct. 31, 1950 | L.A. Leifer | Power Chuck | metal lathe chucks |
| 2,703,242 | Mar. 01, 1955 | L.B. Swanson, H.E. Sloan | Combination Work and Compensating Jaw Chuck | metal lathe chucks |
| 2,843,389 | Jul. 15, 1958 | L.B. Swanson, H.E. Sloan | Chuck | metal lathe chucks |
| 3,621,753 | Nov. 23, 1971 | C.S. Gladoske | Double Trunnion Accessory for Milling Machines | milling machine accessories |
| 3,926,447 | Dec. 16, 1975 | J.H. Cox, Jr. | Collet-Type Work Holder | metalworking machine mechanisms |
| 4,312,513 | Jan. 26, 1982 | H.F. Swenson | Gear Holding Hydraulically Actuated Chuck | gear making machines |
| 4,930,261 | Jun. 05, 1990 | M.D. Tiegs, M.J. Kurten | Valve resurfacing apparatus and method for making the same | valve and seat maintenance |
