Granted Patent
Utility
US 5,827,140 · App. 08/847,502
Removable pitching rubber
Inventor:
Ronald W. Bartoli
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Apr 25, 1997
Inventor
Ronald W. Bartoli
Assignee (at issue)
Schutt Manufacturing Co., 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.