Granted Patent
Utility
US 4,242,746 · App. 05/947,594
Timing mechanism with two separate programs operating separate switch actuators and having an alarm system
Inventors:
Maurice E. Schuder, Richard W. Stafford
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Oct 2, 1978
Inventors
Maurice E. Schuder
Richard W. Stafford
Assignee (at issue)
Emhart Industries, Inc.
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.