Granted Patent
Utility
US 4,621,472 · App. 06/689,347
Glazed structural system and components therefor
Inventor:
Werner Kloke
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Jan 7, 1985
Inventor
Werner Kloke
Assignee (at issue)
H. H. Robertson Company
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.