Granted Patent
Utility
US 6,684,743 · App. 09/624,417
Staggered gear for bi-directional operation
Inventors:
James Gabriel Brewington, Richard H. Harris
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jul 24, 2000
Inventors
James Gabriel Brewington
Richard H. Harris
Assignee (at issue)
International Business Machines Corporation
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.