| Patents for G. W. Gregory |
Patents 16 -
30
of 50
      |
| Number | Date | Patentee | Title | Type |
| 185,462 | Dec. 19, 1876 | B.F. Sturtevant | Fan Blowers | blowers |
| 189,881 | Apr. 24, 1877 | B.F. Sturtevant | Journal Blowers | blowers |
| 195,182 | Sep. 11, 1877 | B.F. Sturtevant | Exhaust Fans or Blowers | blowers |
| 196,998 | Nov. 13, 1877 | B.F. Sturtevant | Fan Blowers | blowers |
| RE7,969 | Nov. 27, 1877 | E.T. Green | Improvement in Machines for Pegging Boots and Shoes | shoe and boot making machines |
| 199,568 | Jan. 22, 1878 | P.F. Peters | Improvement in Lasting Hammers | hammers |
| 205,006 | Jun. 18, 1878 | J.T. Robinson, C. Spring | Coping saw | coping saws |
| RE8,489 | Nov. 12, 1878 | D.M. Weston | Improvement in self-balancing centrifugal machines | centrifuges |
| 209,782 | Nov. 12, 1878 | J. Swan | Improvement in the Manufacture of Auger-Bits | making drills and augers |
| 209,954 | Nov. 19, 1878 | J.W. Bicknell | Improvement in adjustable boxes for paper-calendering rollers | manufacturing paper |
| 213,257 | Mar. 11, 1879 | C. Spring | Draw Knife | draw knives |
| 215,505 | May 20, 1879 | C. Carr, J.W. Bicknell | Improvement in machines for uniting paper | |
| 222,162 | Dec. 02, 1879 | C.M. Spencer | Improvement in cartridge-capping implements | cartridge tools |
| 234,163 | Nov. 09, 1880 | J.A. Ambler, A.C. Ambler | Crimping-machine for boots and shoes | cobbler |
| 236,475 | Jan. 11, 1881 | J.A. Ambler, A.C. Ambler | Mechanism for finishing the bottoms of boots and shoes | cobbler |
