Granted Patent
Utility
US 6,072,672 · App. 09/281,249
Write head with notched P1 and minimum overmilled P1 and P2
Inventor:
John David Westwood
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Mar 30, 1999
Inventor
John David Westwood
Assignee (at issue)
International Business Machines Corporation
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.