Patents for C. Warren Brown |
Patents 1 -
10
of 18
      |
Picture | Number | Date | Patentee | Title |
| 79,131 | Jun. 23, 1868 | A. Hathaway, J. Kendall | Grinding Plate Glass |
| 79,132 | Jun. 23, 1868 | J. Kendall, A. Hathaway | Polishing Glass |
 | 79,721 | Jul. 07, 1868 | T.D. Bassett | Threading Screws |
 | 89,724 | May 04, 1869 | W.P. Welch, J.H. Harrison, E.L. Abbott | Improvement in machine for grinding saws |
 | 92,490 | Jul. 13, 1869 | B.F. Sturtevant | Blast Apparatus |
 | 93,125 | Jul. 27, 1869 | C.E. Rymes | Valve gear for rotary valves |
 | 100,066 | Feb. 22, 1870 | W.B. Preston | Improvement in steelyards |
 | 100,211 | Feb. 22, 1870 | B.F. Sturtevant | Heating and Ventilating Apparatus |
 | 100,238 | Feb. 22, 1870 | B.F. Sturtevant | Hot Air Blower |
 | 103,033 | May 17, 1870 | L.H. Dwelley | Improvement in wood-lathes |