| Patents for Emil R. Draver |
Patents 31 -
41
of 41
      |
| Number | Date | Patentee | Title | Type |
| 1,511,723 | Oct. 14, 1924 | E.R. Draver | Means for connecting tubular members | |
| 1,517,544 | Dec. 02, 1924 | E.R. Draver | Means for coupling telescoped tubular members | |
| 1,521,014 | Dec. 30, 1924 | E.R. Draver | Regulating device for percentage feeders | |
| 1,541,413 | Jun. 09, 1925 | E.R. Draver | Carrier for demountable rims | |
| 1,551,810 | Sep. 01, 1925 | E.R. Draver | Feeder and oscillating agitator | |
| 1,568,061 | Jan. 05, 1926 | E.R. Draver | Exhaust cut-out | |
| 1,594,052 | Jul. 27, 1926 | E.R. Draver | Exhaust cut-out | |
| 1,623,580 | Apr. 05, 1927 | E.R. Draver | Exhaust cut-out | |
| 1,650,011 | Nov. 22, 1927 | E.R. Draver | Frictional window-sash holder | |
| 1,660,071 | Feb. 21, 1928 | E.R. Draver | Window-sash holder | |
| 1,702,819 | Feb. 19, 1929 | E.R. Draver | Window-sash holder | |
