Granted Patent
Utility
US 4,531,332 · App. 06/515,495
Rooftop parapet for thermally-insulated curtain wall
Inventor:
Karl Gartner
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Jul 20, 1983
Inventor
Karl Gartner
Assignee (at issue)
Yoshida Kogyo K.K.
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.