Granted Patent
Utility
US 4,839,717 · App. 07/205,040
Ceramic package for high frequency semiconductor devices
Inventors:
William S. Phy, James M. Early, Kevien J. Negus
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Jun 7, 1988
Inventors
William S. Phy
James M. Early
Kevien J. Negus
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.