Granted Patent
Utility
US 4,386,636 · App. 06/245,394
Container conveyor for flexible container filling machine
Inventor:
Roger H. Ellert
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Mar 19, 1981
Inventor
Roger H. Ellert
Assignee (at issue)
Scholle Corporation
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.