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US 2,233,297 A
Filed
: 08/14/1935
Issued
: 02/25/1941
Est. Priority Date
: 08/14/1935
Status: Expired due to Term
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56
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56 Citations
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Current Assignee
Francis B. Stoddert
,
Polin, Herbert S.
Original Assignee
Francis B. Stoddert
,
Polin, Herbert S.
Inventors
Polin, Herbert S.
,
Stoddert, Francis B.
Application Number
US02/036,128
Time in Patent Office
2,022 Days
Field of Search
US Class Current
73/304.00R
CPC Class Codes
B63B 43/00
Improving safety of vessels...
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