MOBILE CRANE WITH SPACED PIVOTALLY MOUNTED BOOMS
United States Patent 3448874

Inventors:
Martinson, Edwin O.
Publication Date:
06/10/1969
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Assignee:
KOEHRING CO
Primary Class:
414/542
Other Classes:
212/257, 414/344
International Classes:
B66C23/00; B60P1/48; B60P1/46; B65G67/02
US Patent References:
2996206Vehicular loader
3233759House loading trailer
Foreign References:
FR1025407A
SU181253A




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