Granted Patent
Utility
US 6,224,513 · App. 09/590,560
Therapeutic squeeze ball
Inventor:
Andrew E. Chow
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Jun 9, 2000
Inventor
Andrew E. Chow
Assignee (at issue)
Lee Communications, 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.