Granted Patent
Utility
US 5,697,216 · App. 08/630,587
Method and apparatus for reduction of fluid borne noise in hydraulic systems
Inventor:
Edward H. Phillips
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Apr 10, 1996
Inventor
Edward H. Phillips
Assignee (at issue)
TECHCO HOLDINGS, 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.