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Elfed I. Williams

3M

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Publication

Featured researches published by Elfed I. Williams.

Archive | 1997

Multi-part headband and respirator mask assembly and process for making same

John W. Bryant; Desmond T. Curran; James F. Dyrud; Christopher P. Henderson; Harold J. Seppala; Elfed I. Williams

Archive | 2003

Filter element that has a thermo-formed housing around filter material

Andrew S. Viner; Audra A. Conlan; Brian Cormack; Malcolm R. Watson; Christopher P. Henderson; Desmond T. Curran; Elfed I. Williams

Archive | 1998

Protective garments incorporating bands of welded or adhesively-bonded elastomeric material

Christopher P. Henderson; James Fewtrell; Elfed I. Williams; Nicholas J. Gloag

Archive | 2000

Manner of attaching component elements to filtration material such as may be utilized in respiratory masks

Desmond T. Curran; Elfed I. Williams

Archive | 1998

Respiratory masks having valves and other components attached to the mask by a printed patch of adhesive

Elfed I. Williams; Desmond T. Curran

Archive | 1996

Elastomeric composite headband

John W. Bryant; Desmond T. Curran; James F. Dyrud; Christopher P. Henderson; Dennis L. Krueger; Harold J. Seppala; Elfed I. Williams

Archive | 2005

Method of making a filtering face mask that has an exhalation valve attached thereto

Desmond T. Curran; Elfed I. Williams

Archive | 2005

Method of making a filter cartridge that uses thermoforming step

Andrew S. Viner; Audra A. Conlan; Brian Cormack; Malcolm R. Watson; Christopher P. Henderson; Desmond T. Curran; Elfed I. Williams

Archive | 1998

Protective garments incorporating bands of elastomeric material

Nicholas J. Gloag; Christopher P. Henderson; Elfed I. Williams

Archive | 2005

Method of making a filter cartridge using a thermoforming step

Andrew S. Viner; Audra A. Conlan; Brian Cormack; Malcolm R. Watson; Christopher P. Henderson; Desmond T. Curran; Elfed I. Williams

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Christopher P. Henderson

3M

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Desmond T. Curran

3M

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Nicholas J. Gloag

3M

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Harold J. Seppala

3M

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James F. Dyrud

3M

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John W. Bryant

3M

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Dennis L. Krueger

3M

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