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William A Mittelstadt, John M Pilgrim: Respiratory protection device that has rapid threaded clean air source attachment. 3M Innovative Properties Company, Anna A Wetzels, January 22, 2008: US07320722 (11 worldwide citation)

A personal respiratory protection device 10 that comprises a mask body 12 that has a structure 35 located on it for receiving a clean air supply source such as a filter cartridge 14. The clean air receiving structure 35 has a first threaded portion 34. The clean air supply source has a second thread ...


2
Mittelstadt William A, Pilgrim John M: Respiratory protection device that has rapid threaded clean air source attachment. 3m Innovative Properties Company, HANSON Karl G, May 11, 2006: WO/2006/049708 (1 worldwide citation)

A personal respiratory protection device (10) that comprises a mask body (12) that has a structure (35) located on it for receiving a clean air supply source such as a filter cartridge (14). The clean air receiving structure (35) has a first threaded portion (34). The clean air supply source has a s ...


3
Mittelstadt William A, Pilgrim John M: Respiratory protection device that has rapid threaded clean air source attachment. 3m Innovative Properties Co, July 11, 2007: EP1804924-A1

A personal respiratory protection device 10 that comprises a mask body 12 that has a structure 35 located on it for receiving a clean air supply source such as a filter cartridge 14 . The clean air receiving structure 35 has a first threaded portion 34 . The clean air supply source has a second thre ...


4
William A Mittelstadt, John M Pilgrim: Respiratory protection device that has rapid threaded clean air source attachment. 3M Innovative Properties Company, 3m Innovative Properties Company, May 4, 2006: US20060090754-A1

A personal respiratory protection device 10 that comprises a mask body 12 that has a structure 35 located on it for receiving a clean air supply source such as a filter cartridge 14. The clean air receiving structure 35 has a first threaded portion 34. The clean air supply source has a second thread ...


5
Mittelstadt William A, Pilgrim John M: Respiratory protection device that has rapid threaded clean air source attachment. 3m Innovative Properties Co, gugong xia zhangtian shu, October 10, 2007: CN200580037601

A personal respiratory protection device (10) that comprises a mask body (12) that has a structure (35) located on it for receiving a clean air supply source such as a filter cartridge (14). The clean air receiving structure (35) has a first threaded portion (34). The clean air supply source has a s ...


6
Mittelstadt William A, Pilgrim John M: Respiratory protection device that has rapid threaded clean air source attachment. 3m Innovative Properties Company, July 3, 2007: KR1020077009581

A personal respiratory protection device (10) that comprises a mask body (12) that has a structure (35) located on it for receiving a clean air supply source such as a filter cartridge (14). The clean air receiving structure (35) has a first threaded portion (34). The clean air supply source has a s ...