| All Patents in class 33/544.5 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 484,813 | Oct. 25, 1892 | R.C. Nugent | Inside Calipers | calipers |
| 1,417,001 | May 23, 1922 | H. Volis | Gauge | special purpose gauges |
| 1,429,556 | Sep. 19, 1922 | M. Bartholdy | Inside Gauge | measurement gauges |
| 1,462,130 | Jul. 17, 1923 | L.O. Beard | Micrometer Caliper | inside micrometers |
| 1,509,578 | Sep. 23, 1924 | J. Bath | Adjustable Internal Gauge | measurement gauges |
| 1,571,783 | Feb. 02, 1926 | J.R. Aulenback | Adjustable Gage | measuring tools |
| 1,591,258 | Jul. 06, 1926 | W. Ames | Cylinder Gauge | |
| 1,625,401 | Apr. 19, 1927 | R.J. Simpson | Cylinder Gauge | cylinder gages |
| 1,625,766 | Apr. 19, 1927 | R.J. Simpson | Dial Indicator | measurement gauges |
| 1,722,834 | Jul. 30, 1929 | J. Bath | Internal Micrometer Gauge | special purpose gauges |
| 1,760,717 | May 27, 1930 | A.F. Peglow | Gauge | measurement gauges |
| 1,847,906 | Mar. 01, 1932 | R.J. Simpson | Cylinder Gauge | cylinder gages |
| 2,047,607 | Jul. 14, 1936 | H.W. Zimmerman | Gauging Device | measurement gauges |
| 2,443,880 | Jun. 22, 1948 | E.M. Boat, J.J. Bishop, A.H. Emery, E.H. Aldeborgh | Dial Gauge for Measuring Small Bores | |
| 2,601,496 | Jun. 24, 1952 | E.M. Boat | Dial Bore Gauge | |
