Granted Patent
Utility
US 6,767,647 · App. 10/250,143
Antimicrobial wallboard
Inventors:
Howard W. Swofford, Stephen A. Payne, Kevin Dean Drake
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jun 6, 2003
Inventors
Howard W. Swofford
Stephen A. Payne
Kevin Dean Drake
Assignee (at issue)
MICROBAN PRODUCTS 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.