DM

David J. Marrujo

BI Beckman Instruments: 1 patents #201 of 431Top 50%
Overall (All Time): #3,825,246 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5215885 Stable two-part chromogen substrate Rose Cernosek, Patrick F. Coleman, Charles Walbourn 1993-06-01