Granted Patent
Utility
US 4,409,784 · App. 06/341,378
Method of wrapping roll bales with plastic film
Inventors:
Robert M. VanGinhoven, Shaun A. Seymour, Harry C. Eberly
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Jan 21, 1982
Inventors
Robert M. VanGinhoven
Shaun A. Seymour
Harry C. Eberly
Assignee (at issue)
Sperry Corp.
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.