Granted Patent
Utility
US 5,375,346 · App. 08/042,049
Thrust producing shoe sole and heel improved stability
Inventors:
George S. Cole, Harry W. Edwards, Stuart Jenkins, Karl M. Schmidt
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Apr 2, 1993
Inventors
George S. Cole
Harry W. Edwards
Stuart Jenkins
Karl M. Schmidt
Assignee (at issue)
Energaire Corporation
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.