Granted Patent
Utility
US 4,776,672 · App. 07/121,090
Multi-paned polygonal lighthouse assembly with improved corner configuration
Inventors:
Joseph F. Rando, James N. Hayes
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Nov 16, 1987
Inventors
Joseph F. Rando
James N. Hayes
Assignee (at issue)
Spectra-Physics, Inc.
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.