Title:
Bridge and mobile launching structure therefor
United States Patent 2556175
US Patent References:
/0365657.html
- - 0365657

/1116841.html
- - 1116841

Hog-chute
- - 1383080

/1593999.html
- - 1593999

Automotive vehicle
- - 2174493


Inventors:
Frost, Lester P.
Publication Date:
06/12/1951
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Assignee:
Frost, Lester P.
Primary Class:
14/2.400
Other Classes:
254/326, 14/37
International Classes:
E01D15/127; E01D15/00
US Patent References:
2215631Stock loading and unloading device
2320620Self-propelled crane
Foreign References:
GB152407A
GB499446A
FR799213A