Granted Patent
Utility
US 4,679,767 · App. 06/796,757
Solenoid arrangement including yoke-enclosed coil and double encapsulation
Inventors:
David J. Vollmer, James E. Greame
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Nov 12, 1985
Inventors
David J. Vollmer
James E. Greame
Assignee (at issue)
Automatic Switch 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.