P
PatentIndex
Search
Landscape
Sign in
Inventor
MATHEWS JEFFREY L
SG
2 patents
Patents
2 patents
US5775422A
Jul 7, 1998
Tree test plug
FMC CORP
119 citations
95
US5730419A
Mar 24, 1998
Dual backseat valve assembly
FMC CORP
16 citations
69