Granted Patent
Utility
US 5,163,418 · App. 07/728,843
Speculum cover
Inventors:
Jacob Fraden, Spencer L. Mackay, Alan Crawford, Mark Doyle, Robert P. Lackey
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Jul 9, 1991
Inventors
Jacob Fraden
Spencer L. Mackay
Alan Crawford
Mark Doyle
Robert P. Lackey
Assignee (at issue)
Thermoscan, 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.