Granted Patent
Utility
US 4,326,568 · App. 06/119,309
Packaging machine with continuous motion filler
Inventors:
Charles A. Burton, Robert C. Russell
Patented Case
View Patent ↗
Granted: Apr 27, 1982
Filed: Feb 7, 1980
Inventors
Charles A. Burton
Robert C. Russell
Assignee (at issue)
Rexham Holdings Limited
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.