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Illuminated spirit level
US 3,003,054 A
Filed
: 09/09/1960
Issued
: 10/03/1961
Est. Priority Date
: 09/09/1960
Status: Expired due to Term
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Current Assignee
Richard T. Hubbard
Original Assignee
Richard T. Hubbard
Inventors
Hubbard, Richard T.
Application Number
US04/055,005
Time in Patent Office
389 Days
Field of Search
US Class Current
33/348.2
CPC Class Codes
G01C 9/32
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