Granted Patent
Utility
US 4,787,280 · App. 06/889,987
Apparatus for machining workpieces and method therefor
Inventor:
Bruce D. Voelkerding
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Jul 24, 1986
Inventor
Bruce D. Voelkerding
Assignee (at issue)
Warner & Swasey
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.