Granted Patent
Utility
US 5,728,008 · App. 08/798,487
Ball striking device with means of imparting enhanced forward momentum to the ball
Inventor:
Herman S. Howard
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Feb 10, 1997
Inventor
Herman S. Howard
Assignee (at issue)
Tympany Medical Limited
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.