Granted Patent
Utility
US 5,469,993 · App. 08/161,781
Dispensing system
Inventors:
Barry W. Hauf, Stephen K. Jones, Joseph E. Johnson, Roger L. Paquin
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: Dec 2, 1993
Inventors
Barry W. Hauf
Stephen K. Jones
Joseph E. Johnson
Roger L. Paquin
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.