Inventor
VITHANAGE DAYANANDA
US4 patents
Patents
4 patentsUS5864069AJan 26, 1999
Lysimeter for collecting chemical samples from the vadose zone
OCEANIT LAB INC13 citations80
US5677499AOct 14, 1997
Lysimeter for collecting chemical samples from the vadose zone
OCEANIT LAB INC8 citations72
US5567889AOct 22, 1996
Lysimeter for collecting chemical samples from the vadose zone
OCEANIT LAB INC13 citations72
US5590979AJan 7, 1997
Flexible pipe diffuser and method of using the same
OCEANIT LAB INC5 citations56