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Patents for Frederick N. Whitesell | |||||
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Number | Title | Classification(s) | |||
1,366,334 | Discharge Gate for Storage Receptacles | 222/505, 222/558, 222/566, 251/300 | |||
1,705,885 | Automatic Feeder | 222/437, 222/448, 222/450, 222/532, 222/558, 414/615 | |||
1,766,236 | Automatic Hoisting Apparatus | 188/151R, 192/141 | |||
1,808,275 | Safety Apparatus | 192/129B, 92/130R | |||
1,877,102 | Hydraulic Control Means | 49/28, 91/26, 91/27, 91/396, 92/138 |