Granted Patent
Utility
US 4,661,071 · App. 06/622,997
Vacuum sintered powder alloy dental prosthetic device and oven to form same
Inventors:
A. Milton Bell, Murray G. Gamberg, Ronald Kurzeja
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: Jun 21, 1984
Inventors
A. Milton Bell
Murray G. Gamberg
Ronald Kurzeja
Assignee (at issue)
Denpac Corp.
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.