Granted Patent
Utility
US 6,301,138 · App. 09/688,641
Data carrier with load modulation means and with improved power supply in the process of load modulation
Inventor:
Franz Amtmann
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Oct 16, 2000
Inventor
Franz Amtmann
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.