| All Patents in class 335/289 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
| | 137,875 | Apr. 15, 1873 | J.A. Jaques, L. Sterne, J.T. Oakley | Magnetic Chucks for Lathes and Planers |
 | 564,296 | Jul. 21, 1896 | O.S. Walker | Magnetic chuck |
 | 651,908 | Jun. 19, 1900 | O.S. Walker | Magnetic Chuck |
 | 1,079,546 | Nov. 25, 1913 | A.W. Faxon, L.W. Downes | Magnetic Chuck |
| | 1,125,198 | Jan. 19, 1915 | H.K. Spencer | Magnetic Chuck |
| | 1,180,457 | Apr. 25, 1916 | O.S. Walker | Magnetic Chuck |
| | 1,254,736 | Jan. 29, 1918 | F.L. Simmons | Magnetic Chuck |
| | 1,435,946 | Nov. 21, 1922 | F.L. Simmons | Magnetic Chuck |
| | 1,568,024 | Dec. 29, 1925 | H.K. Spencer | Magnetic Holding Device |
| | 1,970,922 | Aug. 21, 1934 | F.L. Simmons | Magnetic Chuck |
