Granted Patent
Utility
US 4,998,819 · App. 07/347,348
Topography measuring apparatus
Inventors:
Richard Labinger, Timothy F. Macri, Paul R. Yoder, Jr., David J. Valovich
Patented Case
View Patent ↗
Granted: Mar 12, 1991
Filed: May 4, 1989
Inventors
Richard Labinger
Timothy F. Macri
Paul R. Yoder, Jr.
David J. Valovich
Assignee (at issue)
Taunton Technologies, 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.