Granted Patent
Utility
US 5,779,480 · App. 08/859,425
Prosthetic abutment for dental implants
Inventors:
Werner Groll, Thomas Lange, Pascale Grote, Willi Meiers
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: May 20, 1997
Inventors
Werner Groll
Thomas Lange
Pascale Grote
Willi Meiers
Assignee (at issue)
Degussa AG
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.