Granted Patent
Utility
US 5,410,516 · App. 08/076,221
Ultrasonic processes and circuits for performing them
Inventors:
Volkmar Uhlendorf, Thomas Fritzsch, Joachim Siegert
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Jun 14, 1993
Inventors
Volkmar Uhlendorf
Thomas Fritzsch
Joachim Siegert
Assignee (at issue)
SCHERING 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.