Inventor

PETRAKOS STEPHANIE

US5 patents

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

POLAROID CORP

2 patents

US5109248AApr 28, 1992

Variable color-output strobe for photographic apparatus

POLAROID CORP34 citations89

US4978892ADec 18, 1990

Variable color-output strobe

POLAROID CORP7 citations70

QWEST COMM INT INC

2 patents

US6594491B2Jul 15, 2003

Method and system for generating information-bearing audible tones

QWEST COMM INT INC3 citations60

US6731935B2May 4, 2004

Method and system for generating information-bearing audible tones

QWEST COMM INT INC1 citations49

QWEST COMM INT L INC

1 patent

US6868281B1Mar 15, 2005

Dual dialing mode wireless telephone

QWEST COMM INT L INC3 citations60