Granted Patent
Utility
US 4,621,967 · App. 06/670,663
Automatic board loaders
Inventor:
Daizo Masada
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Nov 13, 1984
Inventor
Daizo Masada
Assignee (at issue)
USM Holding AG
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.