Granted Patent
Utility
US 4,375,964 · App. 06/203,188
Dental instrument having a lamp assembly suspension including vibration and thermal isolation means
Inventors:
Arthur A. Knopp, Leonard Kelly
Patented Case
View Patent ↗
Granted: Mar 8, 1983
Filed: Nov 3, 1980
Inventors
Arthur A. Knopp
Leonard Kelly
Assignee (at issue)
Syntex (U.S.A.) LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.