Granted Patent
Utility
US 4,876,492 · App. 07/160,526
Electronically commutated motor driven apparatus including an impeller in a housing driven by a stator on the housing
Inventors:
Gene D. Lester, Richard A. Morgan, Harold B. Harms, John P. Barrett, Tsung K. Chang, Donald S. Cushing, Richard F. Broo, William M. Hood
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Feb 26, 1988
Inventors
Gene D. Lester
Richard A. Morgan
Harold B. Harms
John P. Barrett
Tsung K. Chang
Donald S. Cushing
Richard F. Broo
William M. Hood
Assignee (at issue)
General Electric Company
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.