Title:
Builder's hoist
United States Patent 2531346
Inventors:
Oakey, Schuchert
Application Number:
US76056047A
Publication Date:
11/21/1950
Filing Date:
07/12/1947
Assignee:
Oakey, Schuchert
Primary Class:
Other Classes:
187/242, 187/262, 187/900
International Classes:
B66B9/187
View Patent Images:
US Patent References:
2284360Extendible builder's tower1942-05-26
1834152Watch stem1931-12-01