Granted Patent
Utility
US 4,800,543 · App. 07/128,550
Timepiece communication system
Inventors:
Ross Lyndon-James, Alfred P. Gnadinger, Donald L. Black, Carlos P. De Araujo
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Dec 3, 1987
Inventors
Ross Lyndon-James
Alfred P. Gnadinger
Donald L. Black
Carlos P. De Araujo
Assignee (at issue)
Ramtron 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.