Granted Patent
Utility
US 6,027,769 · App. 09/138,752
Method for producing cylindrical objects of multilayer dissimilar compositions without interfaces
Inventors:
Vincent J. Gajewski, Ronald Walter Fuest
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Aug 24, 1998
Inventors
Vincent J. Gajewski
Ronald Walter Fuest
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.