P

Inventor

GRAF HANS P

US9 patents
⚠️ This page may combine multiple inventors who share the name “GRAF HANS P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T BELL LAB

3 patents

COSATTO ERIC

3 patents

AMERICAN TELEPHONE & TELEGRAPH

2 patents

NCR CORP

1 patent