Patents for Frederick N. Whitesell |
Patents 1 -
5
of 5
![](/buttons/btnLeftCir.jpg) ![First set of records](/buttons/btnFirst.jpg) ![](/buttons/btngPrev.jpg) ![](/buttons/btngNext.jpg) ![Last set of records](/buttons/btnLast.jpg) ![](/buttons/btnRightCir.jpg) |
Number | Date | Patentee | Title | Type |
1,366,334 | Jan. 18, 1921 | F.N. Whitesell | Discharge Gate for Storage Receptacles | conveyors and hoppers |
1,705,885 | Mar. 19, 1929 | F.N. Whitesell | Automatic Feeder | conveyors and hoppers |
1,766,236 | Jun. 24, 1930 | F.N. Whitesell | Automatic Hoisting Apparatus | hoists, winches, come-alongs |
1,808,275 | Jun. 02, 1931 | F.N. Whitesell | Safety Apparatus | hoists, winches, come-alongs |
1,877,102 | Sep. 13, 1932 | F.N. Whitesell | Hydraulic Control Means | hoists, winches, come-alongs |