| All Patents in class 335/288 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 614,190 | Nov. 15, 1898 | O.S. Walker | Magnetic chuck | magnetic chucks |
| 1,180,457 | Apr. 25, 1916 | O.S. Walker | Magnetic Chuck | magnetic chucks |
| 1,544,695 | Jul. 07, 1925 | H.K. Spencer | Magnetic Holding Device | magnetic chucks |
| 1,568,024 | Dec. 29, 1925 | H.K. Spencer | Magnetic Holding Device | magnetic chucks |
| 1,604,323 | Oct. 26, 1926 | H.K. Spencer | Magnetic Holding Device | magnetic chucks |
| 2,752,538 | Jun. 26, 1956 | A. Anderson | Magnetic work support | |
| 2,816,187 | Dec. 10, 1957 | A.E. Smith | Indicating Device | machine tool controls |
| 3,196,320 | Jul. 20, 1965 | J.F. Manting | Magnetic lift device | |
| 4,575,702 | Mar. 11, 1986 | T. Nitta, H. Iwasaki | Permanent magnetic chuck | magnetic chucks |
| 5,266,914 | Nov. 30, 1993 | H. Schmidt, R.M. Dickson | Magnetic chuck assembly | magnetic chucks |
