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Patents for Rufus H. Sanford | |||||
Number | Date | Patentee | Title | Type | |
51,911 | Jan. 09, 1866 | M. Smith, F. Beals | Improvement in Hollow Augers | hollow bits | |
51,967 | Jan. 09, 1866 | W. Schollhorn, F.P. Pfleghar | Improvement in Compasses and Calipers | calipers | |
52,335 | Jan. 30, 1866 | N.C. Stiles | Clutch | metal punching machines | |
54,650 | May 08, 1866 | O. Peck | Improvement in bit-braces | brace chucks | |
100,642 | Mar. 08, 1870 | G.D. Lambert | Improvement in clamps | clamps |