Inventor

LUDLOW DAVID J

US5 patents

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

BULLFROG INTERNATIONAL L C

2 patents

US7908684B2Mar 22, 2011

Spas and bathing systems with upgradeable and interchangeable jet stations

BULLFROG INTERNATIONAL L C20 citations89

US8881321B1Nov 11, 2014

Spa construction and installation system

BULLFROG INTERNATIONAL L C8 citations81

LUDLOW DAVID J

2 patents

US8661576B2Mar 4, 2014

Spas and bathing systems with upgradeable and interchangeable jet stations

LUDLOW DAVID J8 citations74

US8869469B2Oct 28, 2014

In-ground spa installation

LUDLOW DAVID J4 citations61

(unassigned)

1 patent

US5474673ADec 12, 1995

Top mounted biological filtration system for an aquarium

27 citations88