Granted Patent
Utility
US 5,544,728 · App. 08/500,548
Retrofit bill validator assembly
Inventor:
Stanley P. Dabrowski
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Jul 11, 1995
Inventor
Stanley P. Dabrowski
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.