Granted Patent
Utility
US 4,898,490 · App. 07/158,305
Structure formed from ball jointed links
Inventors:
Alfred F. Herbermann, Robert M. Carabbio
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Feb 19, 1988
Inventors
Alfred F. Herbermann
Robert M. Carabbio
Assignee (at issue)
Syron Engineering & Manufacturing, LLC
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.