Granted Patent
Utility
US 4,398,372 · App. 06/050,818
Window structure
Inventor:
Richard N. Anderson
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: Jun 21, 1979
Inventor
Richard N. Anderson
Assignee (at issue)
V. E. Anderson Mfg. Co.
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.