HV

Howard E. Virkler

TV The Virkler: 1 patents #1 of 11Top 10%
Overall (All Time): #3,536,697 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6350872 Salt free dyeing of cellulosic fibers with anionic dyes D. Michael Lewis, Peter Jeffrey Broadbent 2002-02-26