Granted Patent
Utility
US 6,511,268 · App. 09/635,834
Tool device with reversible drill bit/screw bit
Inventors:
Kailash C. Vasudeva, Maz A. Hasan, Satnam Singh
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Aug 11, 2000
Inventors
Kailash C. Vasudeva
Maz A. Hasan
Satnam Singh
Assignee (at issue)
Maxtech Manufacturing Inc.
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.