Granted Patent
Utility
US 5,117,857 · App. 07/365,068
Transfer and rinse unit
Inventor:
Ray Smith
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Jun 12, 1989
Inventor
Ray Smith
Assignee (at issue)
Monsanto 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.