Inventor
FIEDLER ROBERT R
US9 patents
⚠️ This page may combine multiple inventors who share the name “FIEDLER ROBERT R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ISCO INC
6 patentsUS5844147ADec 1, 1998
Method and apparatus for water sampling utilizing solid phase extraction
ISCO INC28 citations92
US5183391AFeb 2, 1993
Valve pump
ISCO INC33 citations91
US5901603AMay 11, 1999
Liquid level monitor
ISCO INC15 citations72
US5161956ANov 10, 1992
Valve pump
ISCO INC18 citations72
US5576503ANov 19, 1996
Pumping system
ISCO INC18 citations69
US4810172AMar 7, 1989
Gas-operated positive displacement pump
ISCO INC17 citations69