Granted Patent
Utility
US 5,145,143 · App. 07/579,609
Vibration damper
Inventors:
Arthur C. Jackson, Raymond P. Chandler
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Sep 10, 1990
Inventors
Arthur C. Jackson
Raymond P. Chandler
Assignee (at issue)
Steel Parts 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.