Granted Patent
Utility
US 4,894,794 · App. 06/787,639
System for providing continous linear interpolation
Inventor:
Edwin K. Shenk
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Oct 15, 1985
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.