Granted Patent
Utility
US 4,593,969 · App. 06/546,609
Ruggedized grated optical fiber
Inventors:
Jack Goodman, Donald Schmadel
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Oct 28, 1983
Inventors
Jack Goodman
Donald Schmadel
Assignee (at issue)
Chevron Research 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.