Granted Patent
Utility
US 4,531,456 · App. 06/654,448
Liquid distribution trough
Inventors:
David M. Kemp, Hartl R. Jones
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Sep 26, 1984
Inventors
David M. Kemp
Hartl R. Jones
Assignee (at issue)
FMC CORPORATION
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.