Granted Patent
Utility
US 6,039,728 · App. 08/313,256
Working shaft for photo-thermal therapy
Inventors:
Hans-Peter Berlien, Gerhard Muller, Jurgen Beuthan, Carsten Philipp
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Dec 5, 1994
Inventors
Hans-Peter Berlien
Gerhard Muller
Jurgen Beuthan
Carsten Philipp
Assignees (at issue)
CeramOptec GmbH
Huttinger Medizintechnik GmbH
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.