Granted Patent
Utility
US 6,721,161 · App. 09/844,798
Sole structure for electrostatic dissipative footwear and method of making same
Inventors:
Chien Lee, Donald Jensen
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Apr 27, 2001
Inventors
Chien Lee
Donald Jensen
Assignee (at issue)
Iron Age 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.