Granted Patent
Utility
US 4,979,376 · App. 07/418,402
Microtomy device
Inventors:
Manfred Biehl, Gernot Hansel, Hans L. Heid, Manfred Kempe, Dieter Teppke, Jurgen Vierling
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Oct 6, 1989
Inventors
Manfred Biehl
Gernot Hansel
Hans L. Heid
Manfred Kempe
Dieter Teppke
Jurgen Vierling
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.