| Patents for William F. Folmer |
Patents 1 -
10
of 109
      |
| Picture | Number | Date | Patentee | Title |
 | 365,739 | Jun. 28, 1887 | W.F. Folmer | Lamp Burner |
| | 397,903 | Feb. 19, 1889 | W.F. Folmer | Illuminating Apparatus |
| | 397,904 | Feb. 19, 1889 | W.F. Folmer | Gas Burner for Billiard Tables |
| | 404,830 | Jun. 11, 1889 | W.F. Folmer | Gas Burner |
| | 419,651 | Jan. 21, 1890 | W.F. Folmer | Gas Burner |
| | 419,652 | Jan. 21, 1890 | W.F. Folmer | Gas Burner |
 | 423,235 | Mar. 11, 1890 | W.F. Folmer | Igniting Torch |
| | 451,554 | May 05, 1891 | W.E. Schwing, W.F. Folmer | Toy Pistol |
| | 454,642 | Jun. 23, 1891 | W.F. Folmer | Pocket Lamp |
| | 456,359 | Jul. 21, 1891 | W.F. Folmer | Pocket Lamp |
