Title:
Invalid chair
United States Patent 2537909
US Patent References:
/0466573.html
- - 0466573
/0468022.html
- - 0468022
/0696170.html
- - 0696170
/1207327.html
- - 1207327
Antiskidding device
- - 1414238
/0466573.html
- - 0466573
/0468022.html
- - 0468022
/0696170.html
- - 0696170
/1207327.html
- - 1207327
Antiskidding device
- - 1414238
Inventors:
Thomas, Puddester
Publication Date:
01/09/1951
View Patent Images:
Export Citation:
Assignee:
Thomas, Puddester
Primary Class:
Other Classes:
280/43.240, 248/188.100, 280/79.200, 280/79.110, 188/2F, 297/DIG.004
International Classes:
A61G5/00