Granted Patent
Utility
US 6,701,627 · App. 09/916,018
Composite utility knife blade
Inventors:
William B. Korb, Brian K. Douglas
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Jul 26, 2001
Inventors
William B. Korb
Brian K. Douglas
Assignee (at issue)
American Saw & Mfg. Company
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.