Granted Patent
Utility
US 6,537,322 · App. 09/536,310
Prosthetic foot assembly having improved resilient cushions and components
Inventors:
Christopher Lyle Johnson, Eric Robinson
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Mar 27, 2000
Inventors
Christopher Lyle Johnson
Eric Robinson
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.