Granted Patent
Utility
US 6,442,763 · App. 09/757,544
Insulating hood
Inventors:
Jon C. Larson, Van B. Larson
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Jan 10, 2001
Inventors
Jon C. Larson
Van B. Larson
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.