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74254816 12 Mar 1992 | on 29 Jan 2016 | microspheres in the nature of non-biodegradable tracers for blood circ... Class 001 Class 001 Chemical Products microspheres in the nature of non-biodegradable tracers for blood circulation studies in animals | | | GENESCREEN PLUS NEN LIFE SCIENCE PRODUCTS, INC.
74016538 05 Jan 1990 | on 22 Jan 2016 | hybridization membranes made of nylon for use in the genetic engineeri... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products hybridization membranes made of nylon for use in the genetic engineering industry in analyzing DNA/RNA probes | | | NEN NEN Life Science Products, Inc.
75533397 10 Aug 1998 | on 13 Jan 2007 | Diagnostic kits composed of bioreagents for clinical or medical labora... Class 005 Class 005 Pharmaceutical Products Diagnostic kits composed of bioreagents for clinical or medical laboratory use | | | RENAISSANCE NEN LIFE SCIENCE PRODUCTS, INC.
74371553 24 Mar 1993 | on 11 Sep 2005 | non-radioactive reagents and kits for the detection of proteins and/or... Class 005 Class 005 Pharmaceutical Products non-radioactive reagents and kits for the detection of proteins and/or nucleic acids for medical laboratory use | |