Granted Patent
Utility
US 4,155,513 · App. 05/934,679
Double-sided textile machine with cheese winding devices
Inventor:
Wilhelm Maassen
Patented Case
View Patent ↗
Granted: May 22, 1979
Filed: Aug 18, 1978
Inventor
Wilhelm Maassen
Assignee (at issue)
W. Schlafhorst AG & Co.
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.