Granted Patent
Utility
US 5,286,300 · App. 07/928,696
Rinse aid and lubricant
Inventors:
Michael D. Hnatin, David W. Reichgott
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Aug 12, 1992
Inventors
Michael D. Hnatin
David W. Reichgott
Assignee (at issue)
Man-Gill Chemical 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.