ME

Mark A. Effinger

OI O'Ryan Industries: 1 patents #3 of 5Top 60%
Overall (All Time): #3,943,524 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4887197 Methods and apparatus for generating light patterns responsive to audio frequency input signals 1989-12-12