Title:
Magnetic holding device
United States Patent 2642999
Inventors:
Mcpherson, John C.
Publication Date:
06/23/1953
Assignee:
Mcpherson, John C.
Other Classes:
15/143.1, 15/160, 15/220.2, 24/303, 42/99, 47/41.01, 211/DIG.1, 223/109R, 248/309.4, 335/285, 428/900, D06/513, D06/527, D06/531
International Classes:
H01F7/02; H01F7/02
Foreign References:
| DE700570C | | | | |
| SE109655A | | | | |
| SE122977A | | | | |