Granted Patent
Utility
US 4,498,830 · App. 06/523,996
Bale unrolling apparatus
Inventors:
Shaun A. Seymour, James G. Greiner
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Aug 17, 1983
Inventors
Shaun A. Seymour
James G. Greiner
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.