Granted Patent
Utility
US 6,561,719 · App. 09/743,035
Signal transmitter
Inventors:
Heinz Elsaesser, Guenter Kirn, Reinhard Mordau
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Mar 7, 2001
Inventors
Heinz Elsaesser
Guenter Kirn
Reinhard Mordau
Assignee (at issue)
WERMA Signaltechnik GmbH + Co. KG
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.