| Patents for S. O. Edmonds |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 339,456 | Apr. 06, 1886 | W.L. Parmelee | Screw Driver | screwdrivers |
| 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 | torches |
| 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 | electric meters |
| 427,022 | Apr. 29, 1890 | E. Weston | Electrical Measuring Instrument | electric meters |
| 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 | |
| 447,857 | Mar. 10, 1891 | P.G. Williams | Galvanic apparatus for the human body | |
| 449,749 | Apr. 07, 1891 | A.W. Roovers | Vending machine | |
