Granted Patent
Utility
US 4,620,288 · App. 06/545,650
Data handling system for a pattern generator
Inventor:
Thomas E. Welmers
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Oct 26, 1983
Inventor
Thomas E. Welmers
Assignee (at issue)
American Semiconductor Equipment Technologies
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.