Granted Patent
Utility
US 4,498,129 · App. 06/280,127
Method and apparatus for normalizing servo-positioning signals
Inventor:
Juan F. Velazquez
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Jul 2, 1981
Inventor
Juan F. Velazquez
Assignee (at issue)
Irwin Magnetic Systems, Inc.
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.