Granted Patent
Utility
US 4,782,833 · App. 07/016,587
Bone boring instrument
Inventors:
Thomas Alfred Einhorn, Andrew Valenti, Matthew S. Alves
Patented Case
View Patent ↗
Granted: Nov 8, 1988
Filed: Feb 19, 1987
Inventors
Thomas Alfred Einhorn
Andrew Valenti
Matthew S. Alves
Assignees (at issue)
Thomas A. Einhorn
Andrew Valenti
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.