Granted Patent
Utility
US 5,415,503 · App. 08/236,261
Portable drilling machine with internal motor control cord
Inventors:
Robert E. Strange, William C. McKay, Michael Fangmann
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: May 2, 1994
Inventors
Robert E. Strange
William C. McKay
Michael Fangmann
Assignee (at issue)
Jancy Engineering 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.