Granted Patent
Utility
US 4,697,608 · App. 06/858,426
Electromagnetic valve assembly
Inventors:
Lawrence A. Kolze, James M. Pick, Wesley S. Swanson
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Apr 30, 1986
Inventors
Lawrence A. Kolze
James M. Pick
Wesley S. Swanson
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.