Granted Patent
Utility
US 6,807,556 · App. 09/699,138
Method and apparatus for parallel carry chains
Inventor:
Ken S. McElvain
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Oct 27, 2000
Inventor
Ken S. McElvain
Assignee (at issue)
Synplicity, Inc.
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.