Granted Patent
Utility
US 6,170,488 · App. 09/275,311
Acoustic-based remotely interrogated diagnostic implant device and system
Inventors:
William B. Spillman, Jr., Eric M. Weissman, Elmer D. Dickens, Jr.
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Mar 24, 1999
Inventors
William B. Spillman, Jr.
Eric M. Weissman
Elmer D. Dickens, Jr.
Assignee (at issue)
B. F. Goodrich Company
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.