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LOCATION MARKER
US 3,521,596 A
Filed
: 06/13/1967
Issued
: 07/21/1970
Est. Priority Date
: 06/13/1967
Status: Expired due to Term
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Current Assignee
Seymour N. Schlein
Original Assignee
Seymour N. Schlein
Inventors
Schlein, Seymour N.
Application Number
US04/660,536
Time in Patent Office
1,134 Days
Field of Search
US Class Current
116/63.00R
CPC Class Codes
B63B 51/02
with anchored lightships; b...
E01F 9/615
illuminated
E01F 9/654
in the form of three-dimens...
E01F 9/688
Free-standing bodies
G01C 15/08
Plumbing or registering sta...
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