IP Library Granted Patent US 3,972,123
Granted Patent Utility
US 3,972,123 · App. 05/531,466

Air-abrasive prophylaxis equipment

Inventor: Robert B. Black
Patented Case View Patent ↗
Granted: Aug 3, 1976 Filed: Dec 11, 1974
Inventor
Robert B. Black

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Quick Facts
Patent No.
US 3,972,123
App. No.
05/531,466
Filed
1974-12-11
Granted
1976-08-03
Kind
A