Granted Patent
Utility
US 4,491,920 · App. 06/257,445
Rate polarity shift wheel-slip control system
Inventors:
James A. Wood, Richard J. Mazur
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Apr 24, 1981
Inventors
James A. Wood
Richard J. Mazur
Assignee (at issue)
American Standard 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.