Granted Patent
Utility
US 5,071,351 · App. 07/205,606
Dental implant system
Inventors:
Ralph E. Green, Jr., Ronald H. Jones, Jr., Leland J. Peters, Peter J. Withol
Patented Case
View Patent ↗
Granted: Dec 10, 1991
Filed: Jun 3, 1988
Inventors
Ralph E. Green, Jr.
Ronald H. Jones, Jr.
Leland J. Peters
Peter J. Withol
Assignee (at issue)
COLLAGEN 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.