Granted Patent
Utility
US 6,375,116 · App. 09/669,820
Core end plug for sheet roll material
Inventors:
Paul D. Askins, Vincent Dethier, Jeffrey Mock
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Sep 26, 2000
Inventors
Paul D. Askins
Vincent Dethier
Jeffrey Mock
Assignee (at issue)
A.B. Dick 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.