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Michael Forbes Scholey, Terry L Grimsley: Respirator mask with snap in filter cartridge. Moldex Metric, Charles H Schwartz, October 9, 2001: US06298849 (43 worldwide citation)

A respirator mask, including a body member of a thin rigid plastic material and having an inner surface conforming to the face of a user. The body member includes as an inner surface and at least one opening to receive a filter cartridge. A first over-molded member is formed of a flexible, rubber-li ...


2
Mark Magidson, Michael Forbes Scholey: Unidirectional fluid valve. Moldex Metric, Charles H Schwartz, April 11, 2000: US06047698 (40 worldwide citation)

A unidirectional fluid valve for use with a respirator includes a flexible flap initially formed as a flat resilient member. A valve body has a flat valve seat to support the flexible flap. The flexible flap is contoured to make contact with the valve seat when a fluid is not passing through the val ...


3
Michael Forbes Scholey, Chick Ngai, Norman John Smith: Wall mounted earplug dispenser. Moldex Metric, Charles H Schwartz, September 21, 1999: US05954229 (13 worldwide citation)

An earplug dispenser for manual operation by a user includes a bottle member to receive a plurality of earplugs. A dispensing mechanism is located at an open end of the bottle member so that when the bottle member is turned upside down, the dispensing mechanism projects downward and the earplugs fal ...


4
Michael Forbes Scholey: Buckle for a respirator mask. Moldex Metric, Charles H Schwartz, October 26, 1999: US05970585 (10 worldwide citation)

A buckle located around a resilience strap and a method of manufacturing includes a resilient strap material provided on a continuous basis and having a particular width and thickness. The strap material is stretched to reduce the width and thickness of the strap material at a particular position. A ...


5
Michael Forbes Scholey, Fred Ryan: Wall mounted earplug dispenser with ratchet. Moldex Metric, Charles H Schwartz, June 5, 2001: US06241120 (10 worldwide citation)

An earplug dispenser for manual operation by a user includes a bottle member to receive a plurality of earplugs. A dispensing mechanism is located at an open end of the bottle member so that when the bottle member is turned upside down, the dispensing mechanism projects downward and the earplugs fal ...


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