Granted Patent
Utility
US 4,386,611 · App. 06/155,283
Tonometer with improved fluid discharged tube
Inventors:
Joseph W. Kantorski, Robert G. Lavallee
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Jun 2, 1980
Inventors
Joseph W. Kantorski
Robert G. Lavallee
Assignee (at issue)
Warner Lambert 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.