Inventor
ZHOU DAVID F
US11 patents
⚠️ This page may combine multiple inventors who share the name “ZHOU DAVID F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALFA SCIENT DESIGNS INC
4 patentsUSD626249SOct 26, 2010
Specimen collecting and testing device
ALFA SCIENT DESIGNS INC25 citations92
US7163514B2Jan 16, 2007
Specimen collection and application apparatus
ALFA SCIENT DESIGNS INC21 citations89
US7048693B2May 23, 2006
Specimen collection and storage and transport device and method
ALFA SCIENT DESIGNS INC23 citations89
US6921370B2Jul 26, 2005
Specimen collection and storage and transport device and method
ALFA SCIENT DESIGNS INC35 citations89
DNT SCIENT RES LLC
4 patentsUS7638093B2Dec 29, 2009
Interrupted flow rapid confirmatory immunological testing device and method
DNT SCIENT RES LLC23 citations91
US7238322B2Jul 3, 2007
Delayed and diffused flow rapid confirmatory immunological testing apparatus and method
DNT SCIENT RES LLC20 citations91
US8021625B2Sep 20, 2011
Interrupted, gravity-promoted, diffused flow chromatography strip testing device and method
DNT SCIENT RES LLC10 citations83
US7655184B2Feb 2, 2010
Delayed and diffused flow rapid confirmatory immunological testing apparatus and method
DNT SCIENT RES LLC2 citations61