Granted Patent
Utility
US 5,774,626 · App. 08/558,737
Programmable dual-phase digital motor control with sliding proportionality
Inventor:
Edwin K. Shenk
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Nov 16, 1995
Inventor
Edwin K. Shenk
Assignee (at issue)
Polaroid 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.