Granted Patent
Utility
US 5,433,561 · App. 08/195,578
Wood bit and method of making
Inventor:
Thomas O. Schimke
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Feb 14, 1994
Inventor
Thomas O. Schimke
Assignee (at issue)
Vermont American 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.