Inventor
BURROWS JANINE P
US4 patents
Patents
4 patentsUS5217874AJun 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
US5192501AMar 9, 1993
Method of formulating a test ink for a fecal occult blood test product
HELENA LAB CORP20 citations81
US4440724AApr 3, 1984
Composition for detecting ketone bodies and method of preparation
HELENA LAB CORP24 citations80