Granted Patent
Utility
US 5,659,436 · App. 08/405,261
Radial self propagation pattern generation for disk file servowriting
Inventors:
Edward J. Yarmchuk, Mark D. Schultz, Bucknell C. Webb, Timothy J. Chainer
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Mar 16, 1995
Inventors
Edward J. Yarmchuk
Mark D. Schultz
Bucknell C. Webb
Timothy J. Chainer
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.