| Patents for Cushman Chuck Co. |
Patents 1 -
15
of 25
      |
| Number | Date | Patentee | Title | Type |
| 88,377 | Mar. 30, 1869 | G.B. Fairman | Chuck | metal lathe chucks |
| 120,863 | Nov. 14, 1871 | A.F. Cushman | Improvment in Machinists Lathe Chucks | metal lathe chucks |
| 121,494 | Dec. 05, 1871 | A.F. Cushman | Improvements in Chucks for Metal-Turning Lathes | metal lathe chucks |
| 309,206 | Dec. 16, 1884 | A.F. Cushman | Lathe-chuck | metal lathe chucks |
| 1,633,828 | Jun. 28, 1927 | H.E. Sloan | Chuck | metal lathe chucks |
| 1,837,174 | Dec. 15, 1931 | G.A. Highberg, H.E. Sloan | Chuck | metal lathe chucks |
| 1,844,445 | Feb. 09, 1932 | G.A. Highberg, H.E. Sloan | Chuck | metal lathe chucks |
| 1,906,490 | May 02, 1933 | G.A. Highberg, H.E. Sloan | Chucking Mechanism | metal lathe chucks |
| 1,945,496 | Jan. 30, 1934 | G.A. Highberg, H.E. Sloan | Press Actuating Mechanism | punch presses |
| 1,971,537 | Aug. 28, 1934 | G.A. Highberg, H.E. Sloan | Chuck | metal lathe chucks |
| 2,122,360 | Jun. 28, 1938 | G.A. Highberg, H.E. Sloan | Chuck | metal lathe chucks |
| 2,170,769 | Aug. 22, 1939 | G.A. Highberg, H.E. Sloan | Chuck | metal lathe chucks |
| 2,219,851 | Oct. 29, 1940 | G.A. Highberg, H.E. Sloan | Chuck Including Operating Mechanism Therefor | metal lathe chucks |
| 2,261,836 | Nov. 04, 1941 | G.A. Highberg, H.E. Sloan | Chuck | metal lathe chucks |
| 2,563,970 | Aug. 14, 1951 | L.B. Swanson, H.E. Sloan, Jr., H.E. Sloan | Power Driven Chuck-Operating Means for Lathes and Other Machines | metal lathe chucks |
