Granted Patent
Utility
US 4,726,539 · App. 06/788,021
Dual mode seat belt retractor assembly
Inventors:
Timothy J. Schmidt, Ronald A. Heintzleman
Patented Case
View Patent ↗
Granted: Feb 23, 1988
Filed: Oct 16, 1985
Inventors
Timothy J. Schmidt
Ronald A. Heintzleman
Assignee (at issue)
GENERAL SAFETY COMPANY LTD.
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.