Granted Patent
Utility
US 6,098,663 · App. 09/060,724
High impact bellows
Inventor:
Richard R. Larsen
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Apr 15, 1998
Inventor
Richard R. Larsen
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.