Granted Patent
Utility
US 4,285,369 · App. 06/110,862
Thermal insulation enhancement
Inventors:
Thaddeus D. Misiura, Gordon K. Lambert
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Jan 9, 1980
Inventors
Thaddeus D. Misiura
Gordon K. Lambert
Assignee (at issue)
Parker-Hannifin Corporation
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.