| Patents for Emil R. Draver |
Patents 1 -
10
of 41
      |
| Picture | Number | Date | Patentee | Title |
| | 531,517 | Dec. 25, 1894 | E.R. Draver | Dust-collector |
| | 538,822 | May 07, 1895 | E.R. Draver | Conveyer |
| | 544,031 | Aug. 06, 1895 | E.R. Draver | Conveyer |
| | 608,587 | Aug. 09, 1898 | E.R. Draver | Dust-collector |
| | 641,681 | Jan. 23, 1900 | E.R. Draver | Dust-collector |
| | 699,460 | May 06, 1902 | E.R. Draver | Dust-collector |
| | 711,760 | Oct. 21, 1902 | E.R. Draver | Dust-collector |
| | 720,791 | Feb. 17, 1903 | E.R. Draver | Dust-collector |
| | 721,360 | Feb. 24, 1903 | E.R. Draver | Dust-collector |
| | 1,035,169 | Aug. 13, 1912 | E.R. Draver | Speedometer-driver for automobiles |
