Granted Patent
Utility
US 6,821,632 · App. 09/834,420
Composite of a vulcanizable rubber composition and cured rubber product
Inventors:
Andreas Topp, Bernd-Ulrich Kaiser, Richard Michalitsch, Francis Garnier, Philippe Lang
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Apr 13, 2001
Inventors
Andreas Topp
Bernd-Ulrich Kaiser
Richard Michalitsch
Francis Garnier
Philippe Lang
Assignee (at issue)
Continental AG
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.