Granted Patent
Utility
US 4,978,153 · App. 07/373,944
Latch for a laboratory apparatus
Inventors:
Christian Hirsch, Dieter Schroder, Eckart Kopowski, Helmut Kocher
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Jun 29, 1989
Inventors
Christian Hirsch
Dieter Schroder
Eckart Kopowski
Helmut Kocher
Assignee (at issue)
Heraeus Sepatech 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.