Granted Patent
Utility
US 4,530,192 · App. 06/472,951
Glazing supports
Inventor:
Helmut Ginster
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Mar 7, 1983
Inventor
Helmut Ginster
Assignee (at issue)
Draftex Development A.G.
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.