Granted Patent
Utility
US 4,674,808 · App. 06/797,283
Signal ground planes for tape bonded devices
Inventor:
William S. Phy
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Nov 12, 1985
Inventor
William S. Phy
Assignee (at issue)
FAIRCHILD SEMICONDUCTOR 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.