Granted Patent
Utility
US 4,492,348 · App. 06/343,896
Protractive force responsive safety belt locking apparatus
Inventors:
Avraham Ziv, Akira Tanaka
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Jan 29, 1982
Inventors
Avraham Ziv
Akira Tanaka
Assignee (at issue)
American Safety Equipment 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.