Granted Patent
Utility
US 4,324,547 · App. 06/001,009
Dentistry technique
Inventors:
Mircea Arcan, Benedict Heinrich
Patented Case
View Patent ↗
Granted: Apr 13, 1982
Filed: Jan 4, 1979
Inventors
Mircea Arcan
Benedict Heinrich
Assignee (at issue)
VISHAY INTERTECHNOLOGY, INC.
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.