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Douglas Casterlin, Henry J Wells, Stan Cipkowski: Device for the testing of body fluid samples. American Bio Medica, Edmund M Jaskiewicz, June 18, 2002: US06406922 (49 worldwide citation)

A drug of abuse test kit for testing low volumes of a fluid sample having a transparent flat bag container for retaining a fluid sample to be tested and the open end of the container has a recloseable closure. The container is maintained in a substantially vertical position and has an open end which ...


2
Norman H Oksman, Joseph M Talmage, Henry J Wells: Collection of specimens and detection of occult blood therein. Warner Lambert Company, Gary M Nath, March 25, 1986: US04578358 (36 worldwide citation)

A test for the presence of occult blood in fecal matter or other bodily substance employs an indicator wipe 2. The indicator wipe 2 has an occult-blood detection-test surface 10 for collecting a specimen and includes a peroxidase-activity indicator reagent dispersed on or located proximate to the sp ...


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Douglas Casterlin, Henry J Wells, Stan Cipkowski: Device for the testing of fluid samples and process for making the device. American Bio Medica Corporation, Edmund M Jaskiewicz, April 16, 2002: US06372515 (30 worldwide citation)

A test card for drugs of abuse has a thin flat member having the size and shape of a business card. A plurality of immunoassay test strips extend longitudinally from top to bottom at the card and are fastened side by side in parallel on one or both sides of the test card within the outline of the ca ...


4
Henry J Wells, Robin L Binder: Drug abuse test paper. Keystone Diagnostics, Pennie & Edmonds, June 21, 1988: US04752448 (20 worldwide citation)

A diagnostic test paper detects abuse-type drugs in a test specimen of a biological fluid. A particular method of making the diagnostic test paper includes impregnating a bibulous carrier material with the dry residue of a reagent reactive to abuse-type drugs. A particular method is used for screeni ...


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Norman H Oksman, Joseph M Talmage, Henry J Wells: Occult-blood detection. Warner Lambert Company, Gary M Nath, March 25, 1986: US04578359 (16 worldwide citation)

A specimen-collection wipe 2 is suitable for use in testing for the presence of occult blood in fecal matter or other bodily substance. The wipe 2 includes a substrate 4 having a hand-contact surface 11 for manipulating the wipe 2 and an occult-blood detection-test surface 10 for collecting a specim ...


6
Henry J Wells: Aid for determining the presence of occult blood, method of making the aid, and method of using the aid. Helena Laboratories Corporation, Spencer & Frank, September 11, 1990: US04956300 (6 worldwide citation)

A guaiac reagent-based diagnostic aid for determining the presence of occult blood in an aqueous system contains a micron-sized silica gel into which a guaiac solution has been adsorbed. The guaiac-containing carrier is contacted with a dry, particulate, oxidizing agent, such as a monopersulfate com ...


7
Douglas Casterlin, Henry J Wells, Stan Cipkowski: Device for the testing of body fluid samples. American BioMedica Corporation, Edmund M Jaskiewicz, August 9, 2001: US20010012637-A1

A drug abuse test kit for testing low volumes of a fluid sample has a transparent flat bag container for retaining a fluid sample to be tested and the open end of the container has a recloseable closure. The container is maintained in a substantially vertical position and has an open end which recei ...


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