Granted Patent
Utility
US 4,793,539 · App. 07/035,552
Through-counter dispensing system for plastic bags
Inventors:
Edwin W. Haenni, Mickey M. Wilkes
Patented Case
View Patent ↗
Granted: Dec 27, 1988
Filed: Apr 7, 1987
Inventors
Edwin W. Haenni
Mickey M. Wilkes
Assignee (at issue)
Sonoco Products Company
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.