Portable workstand
United States Patent 2624590
US Patent References:
/0827966.html
- - 0827966

/0979798.html
- - 0979798

Road signal
- - 1813890

Furniture caster
- - 1980205

Roller device
- - 2309214


Inventors:
Tilton, William J.
Publication Date:
01/06/1953
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Assignee:
Tilton, William J.
Primary Class:
280/43.140
Other Classes:
182/180.100, 182/17, 74/97.100
International Classes:
B25H5/00
US Patent References:
2380160Propelled and steered step stand
2479736Stair stand
2505750Portable ladder
Foreign References:
CH160404A