Granted Patent
Utility
US 4,658,573 · App. 06/720,846
Signal device for bale forming machine
Inventor:
Robert M. VanGinhoven
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Apr 8, 1985
Inventor
Robert M. VanGinhoven
Assignee (at issue)
New Holland, Inc.
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.