Granted Patent
Utility
US 4,924,976 · App. 07/093,219
Tuned array vibration absorber
Inventor:
Frank William Bernett
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Sep 4, 1987
Inventor
Frank William Bernett
Assignee (at issue)
Digital 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.