Granted Patent
Utility
US 5,386,986 · App. 08/013,635
Baseball batting practice device
Inventor:
Ricardo Gamboa
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Feb 4, 1993
Inventor
Ricardo Gamboa
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.