| Patents for George O. G. Coale |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 195,877 | Oct. 09, 1877 | D.F. Barber | Improvement in Countersinks | countersinks |
| 197,073 | Nov. 13, 1877 | H.G. Ashton | Improvement in Safety-Valve Attachments to Utilize the Escape Steam | steam safety valves |
| 201,862 | Apr. 02, 1878 | H.G. Ashton | Improvement in Exhaust Mechanisms for Locomotives and Other Steam-Engines | steam safety valves |
| RE8,211 | May 07, 1878 | H.G. Ashton | Improvement in Safety-Valve Attachment to Utilize Escape-Steam | steam safety valves |
| 206,851 | Aug. 13, 1878 | H.W. Atwater | Improvement in Clamps | clamps |
| 214,981 | May 06, 1879 | H.G. Ashton | Improvement in Safety-Valve Attachments | steam safety valves |
| 225,963 | Mar. 30, 1880 | C.H. Bacon | Water-meter | water meters |
| 299,334 | May 27, 1884 | J.G. Blount | Chuck | wood lathe chucks |
| 644,430 | Feb. 27, 1900 | W. Johnson | Center Gage | center marking gauges |
