| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 335/306 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,209,558 | Jul. 30, 1940 | O. Block, J. Bing | Magnetic clamping appliance | surface gauges | |
| 2,609,430 | Sep. 02, 1952 | W.L. Bower | Magnetic Work Holder | chucks | |
| 2,947,921 | Aug. 02, 1960 | E.L. Watelet | Fine Grid Permanent Magnetic Chuck | ||