Granted Patent
Utility
US 5,161,504 · App. 07/736,659
Dual mode electrical servoactuator
Inventors:
Philip Guest, Donald Haefner, Richard F. Neuman, David M. Preston
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Jul 26, 1991
Inventors
Philip Guest
Donald Haefner
Richard F. Neuman
David M. Preston
Assignee (at issue)
Eaton 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.