Inventor
GUADAGNO PHILIP A
US31 patents
⚠️ This page may combine multiple inventors who share the name “GUADAGNO PHILIP A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HELENA LAB CORP
29 patentsUS4810348AMar 7, 1989
Automatic electrophoresis apparatus and method
HELENA LAB CORP87 citations96
US5460709AOct 24, 1995
Automatic electrophoresis method and apparatus
HELENA LAB CORP42 citations95
US5217874AJun 8, 1993
Fecal occult blood test product with positive and negative controls
HELENA LAB CORP56 citations94
US5196167AMar 23, 1993
Fecal occult blood test product with positive and negative controls
HELENA LAB CORP82 citations94
US5846395ADec 8, 1998
Automatic electrophoresis method and apparatus
HELENA LAB CORP17 citations92
US5702913ADec 30, 1997
Chromgen-reagent test system
HELENA LAB CORP22 citations92
US5273888ADec 28, 1993
Chemical test kit and method for determining the presence of blood in a specimen and for verifying the effectiveness of the chemicals
HELENA LAB CORP23 citations92
US4986891AJan 22, 1991
Automatic electrophoresis apparatus and method
HELENA LAB CORP54 citations92
US4892639AJan 9, 1990
Electrophoresis plate and method of making same
HELENA LAB CORP39 citations92
US4890247ADec 26, 1989
Automatic electrophoresis apparatus and method
HELENA LAB CORP54 citations92
US4742002AMay 3, 1988
Test kit and method for determining the presence of blood in a specimen and for testing the effectiveness of peroxidase inactivating solution
HELENA LAB CORP30 citations92
US4647541AMar 3, 1987
Method for performing an occult blood test
HELENA LAB CORP40 citations92
US4582685AApr 15, 1986
Test kit for performing a medical test
HELENA LAB CORP29 citations92
US4541987ASep 17, 1985
Test pad for detecting occult blood
HELENA LAB CORP47 citations92
US4511533AApr 16, 1985
Test kit for performing a medical test
HELENA LAB CORP47 citations92
US5085758AFeb 4, 1992
Container for electrophoretic gel
HELENA LAB CORP23 citations89
US6544395B1Apr 8, 2003
System for the application of samples on a substrate
HELENA LAB CORP24 citations88
US5512157AApr 30, 1996
Electrophoresis plate
HELENA LAB CORP21 citations88
US4725553AFeb 16, 1988
Test composition for detecting occult blood
HELENA LAB CORP19 citations82
US5192501AMar 9, 1993
Method of formulating a test ink for a fecal occult blood test product
HELENA LAB CORP20 citations81
US5516402AMay 14, 1996
Automatic electrophoresis method and apparatus
HELENA LAB CORP7 citations73
US4975173ADec 4, 1990
Electrophoresis plate and method of making same
HELENA LAB CORP10 citations71
US5045173ASep 3, 1991
Container for electrophoretic gel
HELENA LAB CORP11 citations70
US6165541ADec 26, 2000
Gel-template interface and method for depositing liquid on a gel
HELENA LAB CORP8 citations69
US5171410ADec 15, 1992
Method and formulation for creating kinase isoform separation
HELENA LAB CORP13 citations69
US5106472AApr 21, 1992
Electrophoresis gel layer interface
HELENA LAB CORP5 citations63
US5583279ADec 10, 1996
Method for calibrating a piston and cylinder type applicator
HELENA LAB CORP2 citations62
US7906183B2Mar 15, 2011
Process for manufacturing a flexible support for an electrophoretic medium
HELENA LAB CORP0 citations52
US6875614B2Apr 5, 2005
Occult blood test enhancer
HELENA LAB CORP0 citations52