Granted Patent
Utility
US 5,819,983 · App. 08/562,068
Liquid dispensing system with sealing augering screw and method for dispensing
Inventors:
Thomas White, William A. Cavallaro
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Nov 22, 1995
Inventors
Thomas White
William A. Cavallaro
Assignee (at issue)
Camelot Systems, 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.