-
-
-
-
-
-
-
Air filtration device
-
Patent number 9,744,493
-
Issue date Aug 29, 2017
-
3M Innovative Properties Company
-
Pierre Legare
-
A62 - LIFE-SAVING FIRE-FIGHTING
-
Filter cartridge
-
Patent number D778430
-
Issue date Feb 7, 2017
-
3M Innovative Properties Company
-
David M. Blomberg
-
D24 - Medical and laboratory equipment
-
-
Side plug-in filter cartridge
-
Patent number 9,393,448
-
Issue date Jul 19, 2016
-
3M Innovative Properties Company
-
Gary E. Dwyer
-
A62 - LIFE-SAVING FIRE-FIGHTING
-
Respirator cartridge body
-
Patent number D757928
-
Issue date May 31, 2016
-
3M Innovative Properties Company
-
David M. Blomberg
-
D24 - Medical and laboratory equipment
-
Respirator cartridge
-
Patent number D757247
-
Issue date May 24, 2016
-
3M Innovative Properties Company
-
Gary E. Dwyer
-
D24 - Medical and laboratory equipment
-
Refillable filter system
-
Patent number 9,259,676
-
Issue date Feb 16, 2016
-
3M Innovative Properties Company
-
Britton G. Billingsley
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
-
-
Portable blower system
-
Patent number 7,748,381
-
Issue date Jul 6, 2010
-
3M Innovative Properties Company
-
Lisa M. Croll
-
A62 - LIFE-SAVING FIRE-FIGHTING
-
-
-
Respiratory filter
-
Patent number 6,408,845
-
Issue date Jun 25, 2002
-
Michael Pereira
-
A62 - LIFE-SAVING FIRE-FIGHTING
-
Filter sealing apparatus
-
Patent number 5,062,874
-
Issue date Nov 5, 1991
-
Her Majesty the Queen in right of Canada, as represented by the Minister of N...
-
Pierre Legare
-
A62 - LIFE-SAVING FIRE-FIGHTING
-
Plastic scrim
-
Patent number 5,038,775
-
Issue date Aug 13, 1991
-
Her Majesty the Queen in right of Canada as represented by the Minister of Na...
-
John Maruscak
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL