P

Inventor

ST JOHN MICHAEL R

US25 patents
⚠️ This page may combine multiple inventors who share the name “ST JOHN MICHAEL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NALCO CHEMICAL CO

6 patents

INST GAS TECHNOLOGY

5 patents

NALCO CO

5 patents

ECOLAB USA INC

4 patents

ST JOHN MICHAEL R

2 patents

BODE HEINRICH E

1 patent

GRIMM MARK

1 patent

KURIAN PIOUS V

1 patent