P

Inventor

FREY KENNETH P

US4 patents
⚠️ This page may combine multiple inventors who share the name “FREY KENNETH P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CAMPBELL HAUSFELD SCOTT FETZER

3 patents
US6375430B1Apr 23, 2002

Sump pump alarm

CAMPBELL HAUSFELD SCOTT FETZER111 citations97
US6464531B2Oct 15, 2002

Sump pump alarm enclosure and connector

CAMPBELL HAUSFELD SCOTT FETZER56 citations95
USD482699SNov 25, 2003

Sewage pump

CAMPBELL HAUSFELD SCOTT FETZER13 citations74

CAMPBELL HAUSFELD THE SCOTT FE

1 patent
US6649839B2Nov 18, 2003

Strain relief device for sump pump alarm

CAMPBELL HAUSFELD THE SCOTT FE32 citations88