Granted Patent
Utility
US 6,150,623 · App. 09/140,874
Back-flip medical footpedal
Inventor:
Jerry Chen
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Aug 27, 1998
Inventor
Jerry Chen
Assignee (at issue)
Allergan, 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.