Granted Patent
Utility
US 6,675,900 · App. 10/316,294
Crossover tree system
Inventors:
David Baskett, Edwin R. Knerr
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Dec 11, 2002
Inventors
David Baskett
Edwin R. Knerr
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.