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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US404519225 Aug 197630 Aug 1977Dragerwerk AktiengesellschaftMobile filtering apparatus for keeping patients under aseptic conditions
US415095630 Mar 197824 Apr 1979Producing medical grade oxygen for human, animal, or laboratory use by paramagnetic separation of oxygen from air
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US52864479 Mar 199215 Feb 1994Method and apparatus for controlling microbial growth on condensation coils
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US56017861 Jun 199511 Feb 1997Air purifier
US58358406 Sep 199510 Nov 1998Universal Air TechnologyPhotocatalytic system for indoor air quality
US583720717 Apr 199717 Nov 1998Engineering Dynamics LimitedPortable germicidal air filter
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