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ANCHOR SCREW FOR DENTAL PROSTHESIS
US 3,466,748 A
Filed
: 12/15/1967
Issued
: 09/16/1969
Est. Priority Date
: 12/15/1967
Status: Expired due to Term
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Current Assignee
Robert W. Christensen
Original Assignee
Robert W. Christensen
Inventors
Christensen, Robert W.
Application Number
US04/690,912
Time in Patent Office
641 Days
Field of Search
US Class Current
433/189
CPC Class Codes
A61C 8/0022
Self-screwing A61C8/0028 ta...
A61C 8/0025
with multiple threads
A61C 8/0028
Pins, needles; Head structu...
Y10S 606/907
Composed of particular mate...
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