Granted Patent
Utility
US 4,805,366 · App. 07/134,744
Snaplock retainer mechanism for insulated wall construction
Inventor:
Robert Long
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Dec 18, 1987
Inventor
Robert Long
Assignee (at issue)
Thermomass Technology, Inc.
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.