Inventor

ZETTEROWER CHARLIE W

US3 patents

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

ALKANOX CORP

2 patents

US5539452AJul 23, 1996

Video telephone system

ALKANOX CORP79 citations93

US5347305ASep 13, 1994

Video telephone system

ALKANOX CORP96 citations93

CASAGRANDE STEVEN M

1 patent

US9571888B2Feb 14, 2017

Selection graphics overlay of matrix code

CASAGRANDE STEVEN M7 citations82