P

Inventor

HARTVIGSEN JOSEPH J

US31 patents
⚠️ This page may combine multiple inventors who share the name “HARTVIGSEN JOSEPH J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CERAMATEC INC

14 patents

HARTVIGSEN JOSEPH J

9 patents

CERAM INC

2 patents

CERRAMATEC INC

1 patent

MICROLIN L C

1 patent

GAS RES INST

1 patent

BATTELLE ENERGY ALLIANCE LLC

1 patent

ASAHINA KIYOSHI

1 patent

ELANGOVAN SINGARAVELU

1 patent