Granted Patent
Utility
US 4,649,548 · App. 06/536,223
Local computer network transceiver
Inventor:
Ronald C. Crane
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Sep 26, 1983
Inventor
Ronald C. Crane
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.