Granted Patent
Utility
US 6,486,432 · App. 09/448,329
Method and laser cladding of plasticating barrels
Inventors:
Paul N. Colby, Joeo M. Gatti, Shawn P. Bodnar, Paul T. Colby
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Nov 23, 1999
Inventors
Paul N. Colby
Joeo M. Gatti
Shawn P. Bodnar
Paul T. Colby
Assignee (at issue)
Spirex 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.