P

Inventor

MATTHEIS HARLEY H

US13 patents
⚠️ This page may combine multiple inventors who share the name “MATTHEIS HARLEY H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RISDON CORP

5 patents

MATTHEIS HARLEY H

3 patents

NAGL MANUFACTURING CO

2 patents

ETHYL DEV CORP

1 patent

TEAM TECHNOLOGIES INC

1 patent

SCOTT JOSEPH D

1 patent