| All Patents in class 33/819 |
Patents 16 -
30
of 41
      |
| Number | Date | Patentee | Title | Type |
| 1,210,051 | Dec. 26, 1916 | W.S. Davenport | Direct Reading Micrometer | micrometers |
| 1,235,478 | Jul. 31, 1917 | F.O. Jaques, Sr. | Micrometer Calipers | micrometers |
| 1,350,185 | Aug. 17, 1920 | T. Shaw | Micrometer Gage | micrometers |
| 1,361,156 | Dec. 07, 1920 | F.O. Jaques, Sr. | Micrometer Calipers | micrometers |
| 1,389,028 | Aug. 30, 1921 | A.L. Colburn | Direct Reading Micrometer Caliper | micrometers |
| 1,437,352 | Nov. 28, 1922 | J.W. Parker | Direct or Sight Reading Micrometer | measurement gauges |
| 1,444,565 | Feb. 06, 1923 | J.C. Smith | Gauge | measurement gauges |
| 1,467,558 | Sep. 11, 1923 | J. Okill | Pressure Indicator for Internal Combustion Engines and the Like | vacuum and pressure gauges |
| 2,644,240 | Jul. 07, 1953 | J.A. Stedman | Easy Reading Micrometer Caliper | special purpose gauges |
| 2,709,305 | May 31, 1955 | H. Meyer | Micrometer Indicator for Measuring Devices | micrometers |
| 2,900,731 | Aug. 25, 1959 | H. Meyer | Micrometer Indicator | micrometers |
| 2,933,816 | Apr. 26, 1960 | R.E. Gunther | Micrometer Calipers | micrometers |
| 3,120,061 | Feb. 04, 1964 | K. Pfleiderer | Counter-Micrometer | micrometers |
| 3,482,321 | Dec. 09, 1969 | G.E. Inshaw | Digital Micrometer | micrometers |
| 3,667,127 | Jun. 06, 1972 | T. Tsugami | Digital Micrometer Caliper | micrometers |
