Granted Patent
Utility
US 4,619,271 · App. 06/681,308
Electronic thermometer with probe isolation chamber
Inventors:
Laurie J. Burger, Joel N. Helfer, Donald E. Protzmann, Robert F. Uhl
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Dec 13, 1984
Inventors
Laurie J. Burger
Joel N. Helfer
Donald E. Protzmann
Robert F. Uhl
Assignee (at issue)
Chesebrough-Pond's Co.
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.