3M Innovative Properties Assigned Patent for Air Filtration Device Having Tuned Air Distribution System
Copyright © Targeted News Service, 2014
2014-11-21
Copyright © Targeted News Service, 2014
2014-11-21
ALEXANDRIA, Va., Nov. 21 -- 3M Innovative Properties, St. Paul, Minnesota, has been assigned a patent (8,887,719) developed by Britton G. Billingsley, St. Paul, Minnesota, David M. Blomberg, Lino Lakes, Minnesota, and Joy L. Manske, Menomonie, Wisconsin, for an "air filtration device having tuned air distribution system."
The patent application was filed on Dec. 15, 2011 (13/326,377). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1 . . .
The patent application was filed on Dec. 15, 2011 (13/326,377). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1 . . .