Granted Patent
Utility
US 4,569,240 · App. 06/586,290
Motion generating mechanism
Inventor:
Bart Obra
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: Mar 5, 1984
Inventor
Bart Obra
Assignee (at issue)
Easom Engineering & Mfg. Corp.
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.