| Patents for F. Curtis |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 135,684 | Feb. 11, 1873 | H.K. Austin | Handle for File |
 | 160,015 | Feb. 23, 1875 | D. Goodnow, Jr. | Improvement in Devices for Cutting out Sheet-Metal Washers |
 | 172,052 | Jan. 11, 1876 | H.M. Quackenbush | Improvement in scroll-sawing machines |
 | 175,969 | Apr. 11, 1876 | D. Goodnow, Jr. | Improvement in hand-drills for drilling metal |
 | 179,984 | Jul. 18, 1876 | G.A. Walker | Improvement in spring air-pistols |
 | 182,891 | Oct. 03, 1876 | J. Chase | Improvement in wood-pulp engines |
 | 197,512 | Nov. 27, 1877 | J. Chase | Improvement in steam cooking apparatus |
 | 198,973 | Jan. 08, 1878 | G.H. Fox | Improvement in breech-loading fire-arms |
 | 201,362 | Mar. 19, 1878 | A.S. Smith | Improvement in oil-cups |
 | 204,962 | Jun. 18, 1878 | G.H. Fox | Improvement in adjustable ladder-trusses |
