| All Patents in class 335/289 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 137,875 | Apr. 15, 1873 | L. Sterne, J.T. Oakley, J.A. Jaques | Magnetic Chucks for Lathes and Planers | metal lathe chucks |
| 564,296 | Jul. 21, 1896 | O.S. Walker | Magnetic chuck | magnetic chucks |
| 651,908 | Jun. 19, 1900 | O.S. Walker | Magnetic Chuck | magnetic chucks |
| 1,079,546 | Nov. 25, 1913 | A.W. Faxon, L.W. Downes | Magnetic Chuck | grinding attachments |
| 1,125,198 | Jan. 19, 1915 | H.K. Spencer | Magnetic Chuck | magnetic chucks |
| 1,180,457 | Apr. 25, 1916 | O.S. Walker | Magnetic Chuck | magnetic chucks |
| 1,254,736 | Jan. 29, 1918 | F.L. Simmons | Magnetic Chuck | |
| 1,435,946 | Nov. 21, 1922 | F.L. Simmons | Magnetic Chuck | magnetic chucks |
| 1,568,024 | Dec. 29, 1925 | H.K. Spencer | Magnetic Holding Device | magnetic chucks |
| 1,970,922 | Aug. 21, 1934 | F.L. Simmons | Magnetic Chuck | magnetic chucks |
| 2,561,769 | Jul. 24, 1951 | A. Anderson | Magnetic chuck | |
| 2,561,770 | Jul. 24, 1951 | A. Anderson | Magnetic chuck | |
| 2,752,538 | Jun. 26, 1956 | A. Anderson | Magnetic work support | |
| 2,864,622 | Dec. 16, 1958 | W.B. Seidel | Magnetic Work Chuck | magnetic chucks |
| 2,882,458 | Apr. 14, 1959 | E. Anderson, A. Anderson | Multipole chuck | |
