Title:
Multiple elevation air bearing device
United States Patent 3253667
US Patent References:
Piggy-back transportation system
- - 3095987

Air film supported weighing jack
- - 3119598


Inventors:
Mackie, Harry A.
Publication Date:
05/31/1966
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Assignee:
GEN MOTORS CORP
Primary Class:
180/124
Other Classes:
254/93R
International Classes:
B60V3/02; B60V3/00
Foreign References:
FR1278912A