Granted Patent
Utility
US 6,648,318 · App. 10/164,930
Welding jig
Inventors:
Frank Oetlinger, Russell A. Kempka, Jr.
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Jun 6, 2002
Inventors
Frank Oetlinger
Russell A. Kempka, Jr.
Assignee (at issue)
Oetlinger Tool Engineering Co., 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.