Granted Patent
Utility
US 4,202,623 · App. 06/001,991
Temperature compensated alignment system
Inventor:
Theodore Watkin
Patented Case
View Patent ↗
Granted: May 13, 1980
Filed: Jan 8, 1979
Inventor
Theodore Watkin
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.