Granted Patent
Utility
US 4,515,603 · App. 06/418,111
Anti-static compositions
Inventors:
J. Irvine Knepper, Dennis C. Sallee
Patented Case
View Patent ↗
Granted: May 7, 1985
Filed: Sep 14, 1982
Inventors
J. Irvine Knepper
Dennis C. Sallee
Assignee (at issue)
Petrolite 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.