Granted Patent
Utility
US 6,817,835 · App. 10/440,446
Low speed cooling fan
Inventors:
Walter K. Boyd, William C. Fairbank
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: May 16, 2003
Inventors
Walter K. Boyd
William C. Fairbank
Assignees (at issue)
Mechanization Systems Company, Inc.
Delta T, LLC
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.