Granted Patent
Utility
US 6,019,409 · App. 09/158,727
Adjustable positioning target assembly
Inventors:
Kenneth Steele, Frank Hagadorn, William D. Givins
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Sep 22, 1998
Inventors
Kenneth Steele
Frank Hagadorn
William D. Givins
Assignee (at issue)
PHD, 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.