Granted Patent
Utility
US 4,019,283 · App. 05/641,540
Grinding machine loader assembly
Inventor:
Theodore A. Mrugala
Patented Case
View Patent ↗
Granted: Apr 26, 1977
Filed: Dec 17, 1975
Inventor
Theodore A. Mrugala
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.