Granted Patent
Utility
US 5,647,746 · App. 08/387,252
Dental compound applicator
Inventor:
D. Keith Chipman
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Feb 13, 1995
Inventor
D. Keith Chipman
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.