Bleacher back rest
United States Patent 2645274
US Patent References:
/0337364.html
- - 0337364

/0823199.html
- - 0823199

/0962468.html
- - 0962468

Chair
- - 1514811

Adjustable seat
- - 1852012


Inventors:
Richard, Leach
Publication Date:
07/14/1953
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Assignee:
Richard, Leach
Primary Class:
297/352
Other Classes:
297/373
International Classes:
A47C1/16; A47C1/00
US Patent References:
2558315Grandstand seat backrest