Granted Patent
Utility
US 5,938,080 · App. 08/803,588
System and apparatus for dispensing high-viscosity pigments
Inventors:
James D. Haaser, David L. Kunkle
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Feb 21, 1997
Inventors
James D. Haaser
David L. Kunkle
Assignee (at issue)
The Geon Company
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.