Granted Patent
Utility
US 4,235,558 · App. 05/918,623
Ball joint design
Inventors:
Daniel S. Snyder, Harold L. Kaufman
Patented Case
View Patent ↗
Granted: Nov 25, 1980
Filed: Jun 23, 1978
Inventors
Daniel S. Snyder
Harold L. Kaufman
Assignee (at issue)
Gould 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.