P

Inventor

JOHNSON RICHARD D

US52 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON RICHARD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ECOLAB USA INC

6 patents

IBM

6 patents

JOHNSON RICHARD D

5 patents

(unassigned)

4 patents

ECOLAB INC

3 patents

MILES LAB

3 patents

BOWE BELL & HOWELL CO

3 patents

HOECHST CELANESE CORP

2 patents

AIR CONVEYING CORP

2 patents

MILES INC

2 patents

VALENCIA SIL ARTURO S

2 patents

BELL & HOWELL LLC

2 patents

MORRISON ERIC D

2 patents

UNIV FLORIDA

1 patent

ECOLAB

1 patent

KOHLER CO

1 patent

QED ENVIROMENTAL SYSTEMS INC

1 patent

MIRALLES ALTONY

1 patent

BOEING CO

1 patent

DREVITSON KYLE C

1 patent

CYPRUS MINES CORP

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.