Granted Patent
Utility
US 5,445,335 · App. 08/078,982
Coil carrier compressible in axial direction
Inventors:
Franz Josef Hallmann, Albert Keusch
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Jun 16, 1993
Inventors
Franz Josef Hallmann
Albert Keusch
Assignee (at issue)
Jos. Zimmermann GmbH & Co. KG
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.