1
Ronald R Pohl: Contaminant shield and method of constructing same. Venderbush Industrial Corporation, Basile and Hanlon, August 29, 1989: US04860778 (12 worldwide citation)

A contaminant shield prevents airborne contaminants from contacting manufactured parts in a work area in a manufacturing facility. The contaminant shield is formed of a plurality of like frames, each formed of a plurality of interconnected side frame members covered by a flexible sheet attached at i ...


2
Ronald R Pohl, Raymond Mach: Controlled environment enclosure. Venderbush Industrial Corporation, Basile and Hanlon, September 13, 1988: US04769962 (11 worldwide citation)

A controlled environment enclosure provides a dust-free atmosphere for manufacturing operations. The enclosure includes a frame formed of interconnected, horizontally and vertically extending, spaced frame members. An outer cover member is deployed over the sides and top of the interconnected frame ...