Granted Patent
Utility
US 6,386,401 · App. 09/714,752
Dispenser for extrudable material
Inventors:
Robert E. Dodd, William R. Ellenwood, Jr., Darrell C. E. Gorman
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Nov 16, 2000
Inventors
Robert E. Dodd
William R. Ellenwood, Jr.
Darrell C. E. Gorman
Assignee (at issue)
Prince Castle 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.