Granted Patent
Utility
US 4,299,299 · App. 06/146,186
Weighing machine
Inventors:
Erich Knothe, Dieter Blawert, Franz-Josef Melcher
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: May 2, 1980
Inventors
Erich Knothe
Dieter Blawert
Franz-Josef Melcher
Assignee (at issue)
Sartorius AG
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.