Granted Patent
Utility
US 6,099,277 · App. 09/133,076
Gas blower and method utilizing recirculation openings
Inventors:
Ajitkumar G. Patel, David A. Bell
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Aug 12, 1998
Inventors
Ajitkumar G. Patel
David A. Bell
Assignee (at issue)
Dresser Industries, 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.