Inventor

WILLIS JOHN L

US3 patents

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

WILLIS JOHN L

1 patent

US4745686AMay 24, 1988

Apparatus for imparting enhanced directional flight to a projectile and the like

WILLIS JOHN L26 citations82

COLUMBUS WATER WORKS

1 patent

US6908555B2Jun 21, 2005

Biosolids flow-through thermophilic treatment process

COLUMBUS WATER WORKS7 citations56

BROWN AND CALDWELL

1 patent

US12312266B1May 27, 2025

System and method for wastewater treatment

BROWN AND CALDWELL0 citations39