| All Patents in class 33/567 |
Patents 16 -
27
of 27
      |
| Number | Date | Patentee | Title | Type |
| 2,551,059 | May 01, 1951 | J.B. Shockley | Snap Gage | special purpose gauges |
| 2,601,630 | Jun. 24, 1952 | R.J. Rahn, I.J. Rahn | Angle block and method of manufacture | measuring tools |
| 2,640,270 | Jun. 02, 1953 | E.H. Aldeborgh | Locking Means for Snap Gauge Measuring Pins | |
| 2,718,104 | Sep. 20, 1955 | M.B. Kirklin | V Block | V blocks |
| 2,817,151 | Dec. 24, 1957 | R.F. Arnold, R.G. Knudsen | Tappet or Valve Lash Gauge Holder | |
| 2,827,707 | Mar. 25, 1958 | W.J. Croshier, J. Klink | Height Comparator Gage | height gages |
| 2,893,128 | Jul. 07, 1959 | R.L. Pitchford, H.N. Carlson | Adjustable Setting Master for Dial Bore Gages | |
| 3,122,837 | Mar. 03, 1964 | T.S. Wrona | Spark-plug gap gauge | vehicle mechanic |
| 3,159,469 | Dec. 01, 1964 | R.J. Rahn, I.J. Rahn | Gradient temperature normalizer for surface plates or blocks | measuring tools |
| 3,315,365 | Apr. 25, 1967 | D.H. Aldeborgh | Anvils for Comparator Gages | comparators |
| 3,426,436 | Feb. 11, 1969 | L.F. Perwas | Projected Measuring Surface Gage Blocks | measurement gauges |
| 3,739,150 | Jun. 12, 1973 | R.J. Rahn | Granite Surface Plate With Controlled Heat | surface plates |
