Granted Patent
Utility
US 4,518,021 · App. 06/576,813
Machine for filling containers
Inventors:
Gordon A. Copas, Howard C. Wilke, Dennis A. Dykema
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Feb 3, 1984
Inventors
Gordon A. Copas
Howard C. Wilke
Dennis A. Dykema
Assignee (at issue)
APV Anderson Bros. Inc.
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.