Granted Patent
Utility
US 5,569,145 · App. 08/285,468
Method and apparatus for manufacturing a sack bottom
Inventors:
Fritz Achelpohl, Richard Feldkamper
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Aug 3, 1994
Inventors
Fritz Achelpohl
Richard Feldkamper
Assignee (at issue)
Windmöller & Hölscher 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.