| All Patents in class 33/542 |
Patents 16 -
30
of 46
      |
| Number | Date | Patentee | Title | Type |
| 1,262,830 | Apr. 16, 1918 | T. Nicolescu | Gage | special purpose gauges |
| 1,262,869 | Apr. 16, 1918 | J.E. Thompson | Disc Sharpener | sharpeners |
| 1,280,138 | Oct. 01, 1918 | G.C. Blair | Gage | measurement gauges |
| 1,426,878 | Aug. 22, 1922 | H. Koerke | Calipers | calipers |
| 1,467,341 | Sep. 11, 1923 | E.g. Strong | Indicating Gauge | limit gages |
| 1,568,295 | Jan. 05, 1926 | J.A. Schleicher | Locking device for depth gauge micrometers | depth gauges |
| 1,628,741 | May 17, 1927 | R.A. Holt, P.D. Ritchey | Adjustable Pin Gauge | |
| 1,656,180 | Jan. 17, 1928 | G.A. Eisele | Micrometer Expansion Gauge | micrometers |
| 1,667,809 | May 01, 1928 | F.A. Kershaw | Internal Gauge | special purpose gauges |
| 1,673,480 | Jun. 12, 1928 | W. Ames | Gauge | |
| 1,740,695 | Dec. 24, 1929 | C.E. Johansson | Gauge | inside micrometers |
| 1,741,268 | Dec. 31, 1929 | E.H. Aldeborgh | Tubular Gauge | |
| 1,861,172 | May 31, 1932 | E.H. Aldeborgh | Plug Gauge | plug gauges |
| 1,879,398 | Sep. 27, 1932 | G.E. Mirfield | Gauge for Sizing Internal Threads | measurement gauges |
| 1,965,131 | Jul. 03, 1934 | R.J. Simpson | Alignment Gauge | alignment gages |
