Granted Patent
Utility
US 4,370,683 · App. 06/091,441
Cross-coupled servo control mechanism for reel-to-reel tape drives
Inventors:
George H. Greig, Archibald M. Pettigrew
Patented Case
View Patent ↗
Granted: Jan 25, 1983
Filed: Nov 5, 1979
Inventors
George H. Greig
Archibald M. Pettigrew
Assignee (at issue)
Burroughs, 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.