Title:
Power operated hatch cover
Document Type and Number:
United States Patent 2491261

Inventors:
Greer, Edward M.
Jean, Mercier
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Sponsored by:
Flash of Genius
Publication Date:
12/13/1949
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Referenced by:
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Assignee:
GREER HYDRAULICS INC
Primary Class:
160/188
Other Classes:
160/206, 160/213, 114/202, 114/201R
International Classes:
B63B19/197; B63B19/00
US Patent References:
1581832Door-operating mechanism
1832966Door construction
2408739


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