Granted Patent
Utility
US 6,168,221 · App. 09/271,132
Magnetic carrier
Inventors:
Cary Carruth, Ronald P. Modrak
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Mar 17, 1999
Inventors
Cary Carruth
Ronald P. Modrak
Assignee (at issue)
Daimlerchrysler 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.