IP Library › Granted Patent US 4,824,367
Granted Patent Utility
US 4,824,367 · App. 06/920,000

Dental drill alignment indicator

Inventors: Stephen F. Rosenstiel, Edwin R. I. Deane
Patented Case View Patent ↗
Granted: Apr 25, 1989 Filed: Oct 17, 1986
Inventors
Stephen F. Rosenstiel
Edwin R. I. Deane
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION

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Quick Facts
Patent No.
US 4,824,367
App. No.
06/920,000
Filed
1986-10-17
Granted
1989-04-25
Kind
A