Granted Patent
Utility
US 6,016,648 · App. 08/206,022
Yarn and safety apparel
Inventors:
William H. Bettcher, Keith A. Furgalus, Joseph Hummel
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Feb 25, 1994
Inventors
William H. Bettcher
Keith A. Furgalus
Joseph Hummel
Assignee (at issue)
Whizard Protective Wear Corp.
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.