Granted Patent
Utility
US 4,841,474 · App. 06/733,272
Computer system with work stations at remote positions and reserve battery power supply
Inventors:
Frederik Zandveld, Peter C. L. Van Der Vliet
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: May 10, 1985
Inventors
Frederik Zandveld
Peter C. L. Van Der Vliet
Assignee (at issue)
U.S. Philips Corporation
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.