Granted Patent
Utility
US 5,777,825 · App. 08/706,244
Negative pressure step pad air bearing design and method for making the same
Inventor:
Lee K. Dorius
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Sep 4, 1996
Inventor
Lee K. Dorius
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.