| All Patents in class 33/544.5 |
Patents 16 -
20
of 20
      |
| Number | Date | Patentee | Title | Type |
| 2,883,758 | Apr. 28, 1959 | C. Zelnick | Apparatus for measuring the size and symmetry of an opening formed in a work piece | |
| 3,026,622 | Mar. 27, 1962 | F. Burgi, W.J. Croshier | Dial Bord Gages Having an Extended Range | |
| 3,302,295 | Feb. 07, 1967 | A.J. White | Adjustable bore gauge | |
| 3,315,367 | Apr. 25, 1967 | T.A. Walsh, R.H. Strasbaugh | Electronic Spherometers | electronic testing apparatus |
| 3,316,650 | May 02, 1967 | E.M. Boat, D.H. Aldeborgh | Dial Bore Gage with Retraction Means | |
