Granted Patent
Utility
US 5,679,439 · App. 08/582,109
Heel/metatarsal structure having tapered stabilizing bulges
Inventors:
Karl M. Schmidt, Stuart Jenkins, George S. Cole
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Jan 2, 1996
Inventors
Karl M. Schmidt
Stuart Jenkins
George S. Cole
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.