Title:
Machine for assembling fins and tubes
Document Type and Number:
United States Patent 2154855
Inventors:
Lear, Joseph D.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
04/18/1939
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Referenced by:
Export Citation:
Assignee:
FEDDERS MFG CO INC
Primary Class:
Other Classes:
29/281.400, 29/241
International Classes:
B21D53/08; B21D53/02