| All Patents in class 33/550 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 470,912 | Mar. 15, 1892 | W.F. Durand | Calipers | calipers |
| 2,660,798 | Dec. 01, 1953 | J.E. Delaney | Dial Indicator Gauge | |
| 2,660,799 | Dec. 01, 1953 | T.O. Strauss | Lathe Arttachment | metal lathe accessories and attachments |
| 3,222,824 | Dec. 14, 1965 | W.B. Seidel | Machine Tool Positioning Mechanism | grinding machines |
| 3,458,939 | Aug. 05, 1969 | R.A. Plante | Diameter Gage | dial indicator attachments |
| 3,648,377 | Mar. 14, 1972 | F.W. Witzke | Sling Roundness Gage | special purpose gauges |
| 4,803,783 | Feb. 14, 1989 | M.D. Tiegs, E.C. Gamoke | Apparatus for gauging the diameter and concentricity of a bore | vehicle mechanic |
| 4,890,421 | Jan. 02, 1990 | K.S. Barney, W.R. Moore, Jr. | Automatic Measurement System | measuring tools |
| 7,043,851 | May 16, 2006 | M. Le | Adjustable V-Block | V blocks |
