Title:
Device for lifting boats
United States Patent 2815131
US Patent References:
/0207166.html
- - 0207166

/1061213.html
- - 1061213

/1116761.html
- - 1116761

/1192158.html
- - 1192158

/1300567.html
- - 1300567


Inventors:
Lunsman, John E.
Lunsman, Norman F.
Publication Date:
12/03/1957
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Assignee:
LUNSMAN MFG COMPANY INC
Primary Class:
269/61
Other Classes:
114/373, 269/130, 254/310, 269/296
International Classes:
B63B23/04; B63B23/00
US Patent References:
1429432Hand truck
2185083Boat lifting rack
2294864Apparatus for carrying and launching boats
2465118Boat derrick
2552424Boat mooring arrangement
2581676Boat mooring apparatus
2632900Boat handling apparatus