Granted Patent
Utility
US 4,375,504 · App. 06/260,241
Hydrodynamic reserve battery activation system
Inventors:
Norman E. Jensen, Peter H. Van Sloun
Patented Case
View Patent ↗
Granted: Mar 1, 1983
Filed: May 4, 1981
Inventors
Norman E. Jensen
Peter H. Van Sloun
Assignee (at issue)
Honeywell Limited
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.