Attachable adjustable elevating and supporting device
United States Patent 2935813
US Patent References:
/1194894.html
- - 1194894

Chair
- - 1399623

Adjustable leveling foot for scale bases
- - 1647992

Ladder foot extension
- - 2147052

Knock-down chair
- - 2711787


Inventors:
Berman, Howard I.
Harvey, Davis
Publication Date:
05/10/1960
View Patent Images:
Assignee:
Berman, Howard I.
Harvey, Davis
Primary Class:
Other Classes:
297/463.100, 182/204, 5/11, 5/310
International Classes:
A47B91/02; A47B91/00