Granted Patent
Utility
US 6,092,278 · App. 09/281,942
Method for manufacturing a pencil-shaped core
Inventor:
Gary G. Latkow
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Mar 31, 1999
Inventor
Gary G. Latkow
Assignee (at issue)
Tempel Steel 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.