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US 3,230,845 A
Filed
: 09/27/1960
Issued
: 01/25/1966
Est. Priority Date
: 09/27/1960
Status: Expired due to Term
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8
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Current Assignee
John H. Mauldin
Original Assignee
John H. Mauldin
Inventors
Mauldin, John H.
Application Number
US04/058,854
Time in Patent Office
1,946 Days
Field of Search
US Class Current
404/110
CPC Class Codes
E01C 19/486
with non-vibratory or non-p...
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