Granted Patent
Utility
US 4,734,964 · App. 06/790,983
Apparatus for refurbishing acoustic members
Inventors:
Sanford Lane, Alan Broadwin, W. William Podszus
Patented Case
View Patent ↗
Granted: Apr 5, 1988
Filed: Oct 24, 1985
Inventors
Sanford Lane
Alan Broadwin
W. William Podszus
Assignee (at issue)
Cooper LaserSonics, 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.