Granted Patent
Utility
US 5,265,639 · App. 07/995,610
Magneto-pneumatic timing device
Inventors:
Ronald L. Tobia, Russell J. Fischer
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Dec 22, 1992
Inventors
Ronald L. Tobia
Russell J. Fischer
Assignee (at issue)
BOC Health Care, 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.