Granted Patent
Utility
US 4,258,532 · App. 05/971,085
Arrangement for the feeding of objects to and grouping them on a base
Inventor:
Rolf M. Dilot
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Dec 19, 1978
Inventor
Rolf M. Dilot
Assignee (at issue)
Tetra Pak International AB
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.