Granted Patent
Utility
US 4,835,709 · App. 07/125,554
Assembly modeling process
Inventor:
Yukun Tsai
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Nov 25, 1987
Inventor
Yukun Tsai
Assignee (at issue)
Bell Communications Research, Inc.
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.