Granted Patent
Utility
US 6,481,571 · App. 09/423,945
Dual-component container system
Inventors:
Johannes Hubertus Jozef Maria Kelders, Roy Edwin Van Swieten
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Feb 23, 2000
Inventors
Johannes Hubertus Jozef Maria Kelders
Roy Edwin Van Swieten
Assignee (at issue)
R+D Injector 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.