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| Patents for Cone-Blanchard Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,872,626 | Mar. 25, 1975 | P.H. White | Grinding Machine with Tilting Table | surface grinders | |
| 4,402,032 | Aug. 30, 1983 | B.W. Wilterdink | Electromagnet Power Supply and Demagnetizer | magnetic chucks | |