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SPIN TIME RECORDER
US 3,453,892 A
Filed
: 04/15/1966
Issued
: 07/08/1969
Est. Priority Date
: 04/15/1966
Status: Expired due to Term
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Current Assignee
Marvin E. Hudson
Original Assignee
Marvin E. Hudson
Inventors
Hudson, Marvin E.
Application Number
US04/542,834
Time in Patent Office
1,180 Days
Field of Search
US Class Current
73/489
CPC Class Codes
G01P 1/125
with recording discs
G01P 3/16
by using centrifugal forces...
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