1
David Root, George Lyman: Multi-well filter strip and composite assemblies. Costar Corporation, Wolf Greenfield & Sacks, August 14, 1990: US04948564 (180 worldwide citation)

A filter strip and composite assemblies for filtering microliter quantities of fluids. A linear array of wells having open top and bottom ends are connected by frangible webs in spaced-apart relation with discrete filter membranes closing the bottom ends of each well. Tabs are provided on the ends o ...


2
David Root, George Lyman: Multi-well filter strip and composite assemblies. Costar Corporation, Wolf Greenfield & Sacks, January 23, 1990: US04895706 (108 worldwide citation)

A filter strip and composite assemblies for filtering microliter quantities of fluids wherein a linear array of wells having open top and bottom ends are connected by frangible webs in spaced-apart relation with discrete filter membranes closing the bottom ends of each well. Tabs are provided on the ...


3
David Root: System for growing and manipulating tissue cultures using 96-well format equipment. Costar Corporation, George L Greenfield, July 22, 1997: US05650323 (58 worldwide citation)

A laboratory research tool for conducting a variety of procedures including cell and tissue culture techniques includes a multi-well cluster plate, a filter plate that has one or more filter wells that extend into the wells of the cluster plate, a cover and a reservoir that can be used with auxiliar ...


4
David Butz, George Lyman, David Root, Gregory Mathus: Culture device having a detachable cell or tissue growth surface. Costar Corporation, Edward R Gates, August 18, 1992: US05139951 (54 worldwide citation)

A tissue or cell growth device is described for placement within a well of a cluster dish. The device has a cell or tissue retention element detachably attached to a hanger. The hanger preferably has openings allowing access to the well without removal of the member and is capable of positioning the ...


5
George Lyman, Gregory Mathus, David Root: Apparatus for growing tissue cultures in vitro. Costar Corporation, Wolf Greenfield & Sacks, June 25, 1991: US05026649 (50 worldwide citation)

Apparatus for growing tissue cultures in vitro, which permits a concentration gradient of nutrients to develop through a permeable membrane to which a sample of tissue is attached. The permeable membrane is attached to the bottom end of a tubular support that in turn hangs by a flange connected to i ...


6
David Butz, George Lyman, David Root, Gregory Mathus: Culture device and method of use having a detachable cell or tissue growth surface. Costar Corporation, Wolf Greenfield & Sacks, December 21, 1993: US05272083 (24 worldwide citation)

A tissue or cell growth device is described for placement within a well of a cluster dish. The device has a cell or tissue retention element detachably attached to a hanger. The hanger preferably has openings allowing access to the well without removal of the member and is capable of positioning the ...


7
George Lyman, Gregory Mathus, David Root: Apparatus for growing tissue cultures in vitro. Costar Corporation, Wolf Greenfield & Sacks, June 1, 1993: US05215920 (22 worldwide citation)

Apparatus for growing tissue cultures in vitro, which permits a concentration gradient of nutrients to develop through a permeable membrane to which a sample of tissue is attached. The permeable membrane is attached to the bottom end of a tubular support that in turn hangs by a flange connected to i ...


8
David Root, Lewis Lawton: Sterile irradiated hydrophobic pipette tip. Costar Corporation, Wolf Greenfield & Sacks, May 14, 1996: US05516564 (22 worldwide citation)

The present invention features hydrophobic articles of manufacture having a composition comprising a plastic and a fluoropolymer. The plastic-fluoropolymer composition is resistant to irradiation allowing the article to maintain hydrophobic properties through standard irradiation processes.


9
Nicholas F Borrelli, Alain R E Carre, Thierry L A Dannoux, Bernard Eid, David Root, Raja Rao Wusirika: Redrawn capillary imaging reservoir. Corning Incorporated, Foley & Lardner, July 13, 2004: US06762061 (18 worldwide citation)

Methods and apparatus for depositing a high density biological or chemical array onto a solid support. Specifically, the apparatus is made up of a plurality of open ended channels collectively forming a matrix. The matrix has been redrawn and cut such that the pitch of the channels on the loading en ...


10
Nicholas F Borrelli, Alain R E Carre, Thierry L A Dannoux, Bernard Eid, David Root, Raja Rao Wusirika: Redrawn capillary imaging reservoir. Thomas R Beall, Andrew E Rawlins, July 22, 2003: US06596237 (16 worldwide citation)

Methods and apparatus for depositing a high density biological or chemical array onto a solid support. Specifically, the apparatus is made up of a plurality of open ended channels collectively forming a matrix. The matrix has been redrawn and cut such that the pitch of the channels on the loading en ...