Granted Patent
Utility
US 4,436,027 · App. 06/372,778
Stripper bar for roll baling machine
Inventors:
John H. Freimuth, Willis R. Campbell
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: Apr 28, 1982
Inventors
John H. Freimuth
Willis R. Campbell
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.