Granted Patent
Utility
US 5,997,643 · App. 08/899,063
Apparatus for powder coating welding cans
Inventors:
Timothy E. Wilson, Masafumi Matsunaga, Wataru Kakuta, Raymond J. Merk, Ronald E. Niemiec, Laurence B. Saidman, Gerald W. Crum, William L. Palmer
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Jul 23, 1997
Inventors
Timothy E. Wilson
Masafumi Matsunaga
Wataru Kakuta
Raymond J. Merk
Ronald E. Niemiec
Laurence B. Saidman
Gerald W. Crum
William L. Palmer
Assignee (at issue)
Nordson Corporation
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.