Granted Patent
Utility
US 5,695,814 · App. 08/682,318
Method of making a powdered biocidal composition
Inventors:
Stephen T. Wellinghoff, Joel J. Kampa, Darren E. Barlow
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Jul 17, 1996
Inventors
Stephen T. Wellinghoff
Joel J. Kampa
Darren E. Barlow
Assignee (at issue)
SOUTHWEST RESEARCH INSTITUTE
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.