Granted Patent
Utility
US 4,536,089 · App. 06/008,017
Analyzer for coherent radiation
Inventor:
Edward T. Siebert
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Jan 31, 1979
Inventor
Edward T. Siebert
Assignee (at issue)
PerkinElmer, 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.