Granted Patent
Utility
US 4,715,697 · App. 06/806,878
Microscope body system
Inventors:
Puthenpurackal K. John, Arthur H. Shoemaker
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Dec 9, 1985
Inventors
Puthenpurackal K. John
Arthur H. Shoemaker
Assignee (at issue)
Cambridge Instruments GmbH
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.