| Patents for S. O. Edmonds |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 339,456 | Apr. 06, 1886 | W.L. Parmelee | Screw Driver |
 | 403,978 | May 28, 1889 | W.W. Roovers, P.G. Williams | Coin released spirometer |
 | 407,039 | Jul. 16, 1889 | A.W. Roovers | Coin operated machine |
 | 423,235 | Mar. 11, 1890 | W.F. Folmer | Igniting Torch |
 | 423,702 | Mar. 18, 1890 | A.H. Roovers, A.W. Roovers | Coin operated power or strength testing machine |
 | 426,992 | Apr. 29, 1890 | M.M. Garver | Electrical Measuring Instrument |
 | 427,022 | Apr. 29, 1890 | E. Weston | Electrical Measuring Instrument |
 | 434,608 | Aug. 19, 1890 | A.H. Roovers, A.W. Roovers | Coin controlled 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 |
