Granted Patent
Utility
US 5,823,390 · App. 08/540,235
Chemical dispensing apparatus having a pivotal actuator
Inventors:
Kenneth J. Muderlak, Rocky Sheih
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Oct 6, 1995
Inventors
Kenneth J. Muderlak
Rocky Sheih
Assignee (at issue)
Technical Concepts, LLC
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.