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Title:
Hoists
United States Patent 2757756
Inventors:
Frank, Warry Reginald
Application Number:
US31994852A
Publication Date:
08/07/1956
Filing Date:
11/12/1952
Assignee:
R F WARRY LTD
Primary Class:
Other Classes:
D08/34
International Classes:
B66B9/16; E04G1/20
View Patent Images:
US Patent References:
2493824Industrial hand truck1950-01-10
2482211Lifting apparatus1949-09-20
2277302Portable hand truck1942-03-24
1658042Portable elevator1928-02-07
1542327Hand truck1925-06-16
1408522Hoisting apparatus1922-03-07
1208117N/A1916-12-12
Foreign References:
GB676191A1952-07-23