Granted Patent
Utility
US 4,357,744 · App. 06/156,755
Method of connecting insulated glass frame
Inventors:
Everett R. McKenzie, Thomas E. Smith
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: Jun 5, 1980
Inventors
Everett R. McKenzie
Thomas E. Smith
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.