Granted Patent
Utility
US 6,175,976 · App. 09/374,926
Sleeping bag with adjustable foot space
Inventor:
Robert R. Cantwell
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Aug 16, 1999
Inventor
Robert R. Cantwell
Assignee (at issue)
American Recreation Products, 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.