| All Patents in class 269/902 |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 893,875 | Jul. 21, 1908 | F. Schneider | Drill Press Chuck | chucks |
| 1,845,438 | Feb. 16, 1932 | M.K. Parkhurst | Clamp Block | |
| 2,364,150 | Dec. 05, 1944 | L.A. Lowenstein | Universal V Block | V blocks |
| 2,371,831 | Mar. 20, 1945 | R.L. Leming | Layout and Drill V Block | V blocks |
| 2,406,514 | Aug. 27, 1946 | R.C. Squire | Roll V Block Support | V blocks |
| 2,416,782 | Mar. 04, 1947 | P. Valish | Adjustable V Block | V blocks |
| 2,816,489 | Dec. 17, 1957 | L.W. Robbins, A.P. Smith | Sine plate | angle bars and angle plates |
| 3,218,059 | Nov. 16, 1965 | H.G. Andrew | V Block Attachment | V blocks |
| 3,423,885 | Jan. 28, 1969 | H.D. Crandall | Sine V Block | sine bars |
| 3,675,916 | Jul. 11, 1972 | R.H. Kartasuk, W. Smierciak | Vise assembly | bench vises |
| 3,980,287 | Sep. 14, 1976 | J.C. Nilsson | Combination Vise, V-Block and Drill Jig Workholder | V blocks |
| 4,070,012 | Jan. 24, 1978 | L. La Rocco | Adaptor for machine tool fixture | metalworking machine work holding |
| 4,153,239 | May 08, 1979 | L. La Rocco | Adaptor for machine tool fixture | metalworking machine work holding |
| 4,445,678 | May 01, 1984 | I.S. George | Precision Aligned Split V-Block | V blocks |
| 4,669,227 | Jun. 02, 1987 | B.C. Treppner | Angle Plate Apparatus With Precisely Adjustable Workpiece Holder | angle bars and angle plates |
