Granted Patent
Utility
US 5,438,467 · App. 07/967,359
Negative pressure air bearing design
Inventors:
Lee K. Dorius, John M. Harker, Laurence S. Samuelson
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Oct 28, 1992
Inventors
Lee K. Dorius
John M. Harker
Laurence S. Samuelson
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.