Granted Patent
Utility
US 4,906,920 · App. 07/256,029
Self-leveling membrane probe
Inventors:
Richard E. Huff, Farid Matta
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Oct 11, 1988
Inventors
Richard E. Huff
Farid Matta
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.