Title:
COMBINE LADDER
United States Patent 3508627


Inventors:
Lypko, William A.
Mccallum, Donald A.
Application Number:
US3508627DA
Publication Date:
04/28/1970
Filing Date:
02/26/1969
Assignee:
William, Lypko A.
Donald, Mccallum A.
Primary Class:
Other Classes:
182/115
International Classes:
A01D41/12; (IPC1-7): E06C5/04
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