Granted Patent
Utility
US 4,293,010 · App. 06/088,134
Adjustable volumetric filler head
Inventor:
Michael E. Winiasz
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Oct 25, 1979
Inventor
Michael E. Winiasz
Assignee (at issue)
ATO BV
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.