| Patents for John Bath |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 499,199 | Jun. 13, 1893 | J. Bath | Calipers | measurement gauges |
| 520,201 | May 22, 1894 | J. Bath | Micrometer Indicator | test indicators |
| 526,960 | Oct. 02, 1894 | J. Bath | Micrometer Indicator | test indicators |
| 527,651 | Oct. 16, 1894 | J. Bath | Calipers | measurement gauges |
| 665,303 | Jan. 01, 1901 | J. Bath | Tool or Cutter Holder for Grinding Machines | tool grinders |
| 736,573 | Aug. 18, 1903 | J. Bath | Tool Holder for Grinding Machines | tool grinders |
| 1,202,019 | Oct. 24, 1916 | J. Bath | Micrometer Calipers | micrometers |
| 1,509,578 | Sep. 23, 1924 | J. Bath | Adjustable Internal Gauge | measurement gauges |
| 1,516,909 | Nov. 25, 1924 | J. Bath | Micrometer Caliper | micrometers |
| 1,722,834 | Jul. 30, 1929 | J. Bath | Internal Micrometer Gauge | special purpose gauges |
| 1,835,687 | Dec. 08, 1931 | H.M. Allison | Backing-Off Mechanism for Grinding Machines | grinding attachments |
| 1,835,733 | Dec. 08, 1931 | H.M. Allison, E.A. Walker | Backing Off Mechanism for Grinding Machines | grinding attachments |
| 1,854,242 | Apr. 19, 1932 | E.A. Walker, H.M. Allison | Machine for Measuring Taps | measurement gauges |
| 1,854,244 | Apr. 19, 1932 | E.A. Walker, H.M. Allison | Machine for Measuring Two-Fluted Taps | measuring tools |
