| Patents for C. R. Ferguson |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
 | 384,467 | Jun. 12, 1888 | W.C. Perkins | Improvements in Wheel-Wrenches for Axle-Nuts |
 | 407,039 | Jul. 16, 1889 | A.W. Roovers | Coin operated machine |
 | 419,816 | Jan. 21, 1890 | B.G. Berrien, Jr. | Improved Pipe Wrench |
 | 423,702 | Mar. 18, 1890 | A.H. Roovers, A.W. Roovers | Coin operated power or strength testing machine |
 | 439,189 | Oct. 28, 1890 | A.H. Roovers, A.W. Roovers | Coin controlled microscope |
 | 439,190 | Oct. 28, 1890 | A.H. Roovers, A.W. Roovers | Coin controlled microscope |
 | 491,971 | Feb. 14, 1893 | W.W. Roovers, P.G. Williams | Coin controlled dice throwing machine |
 | 566,614 | Aug. 25, 1896 | S. Olsen | Tool For Twisting Electric Wire Sleeve Connections. |
 | 567,492 | Sep. 08, 1896 | W. Cook, J. Musgrave | Pipe Wrench |
 | 573,732 | Dec. 22, 1896 | E.T. Warn | Ratchet Wrench |
