P

Inventor

CRYSTAL JACK C

US27 patents
⚠️ This page may combine multiple inventors who share the name “CRYSTAL JACK C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ARBITRON INC

10 patents

NIELSEN CO US LLC

7 patents

NEUHAUSER ALAN R

5 patents

CRYSTAL JACK C

4 patents

ZHANG JACK K

1 patent