Granted Patent
Utility
US 5,485,709 · App. 08/189,145
Insulating spacer for creating a thermally insulating bridge
Inventor:
Guy Guillemet
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jan 31, 1994
Inventor
Guy Guillemet
Assignee (at issue)
Bay Mills Ltd
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.