Granted Patent
Utility
US 6,534,562 · App. 09/812,623
Tough denture and method for producing the same
Inventors:
Shokyu Gen, Sadami Tsutsumi, Toshio Kita
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Mar 20, 2001
Inventors
Shokyu Gen
Sadami Tsutsumi
Toshio Kita
Assignee (at issue)
BMG Incorporated
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.