Granted Patent
Utility
US 4,879,688 · App. 06/862,815
In-system programmable logic device
Inventors:
John E. Turner, David L. Rutledge, Roy D. Darling
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: May 13, 1986
Inventors
John E. Turner
David L. Rutledge
Roy D. Darling
Assignee (at issue)
Lattice 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.