Granted Patent
Utility
US 4,536,111 · App. 06/385,906
Machine tool having numerically controlled adjustable arbor set up for straddle milling
Inventor:
Ervin J. Kielma
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Jun 7, 1982
Inventor
Ervin J. Kielma
Assignee (at issue)
Kearney & Trecker 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.