Granted Patent
Utility
US 5,514,640 · App. 08/308,282
Non-crystallizing C14 quaternary ammonium biocides
Inventors:
Ronald Jones, Abraham Seldner
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Sep 19, 1994
Inventors
Ronald Jones
Abraham Seldner
Assignee (at issue)
BIO-LAB, 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.