Granted Patent
Utility
US 4,823,407 · App. 07/052,989
Headwear with face tunnel for cold weather environment
Inventors:
James G. Phillips, Jr., Joanne Harlow, James M. Clanton
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: May 22, 1987
Inventors
James G. Phillips, Jr.
Joanne Harlow
James M. Clanton
Assignee (at issue)
Burlington Industries LLC
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.