Granted Patent
Utility
US 5,927,140 · App. 08/991,716
Tool accelerator
Inventor:
Dimitry G. Grabbe
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Dec 16, 1997
Inventor
Dimitry G. Grabbe
Assignee (at issue)
Whitaker & 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.