DF

Donald E. Firstenberg

L' L'Oreal: 1 patents #1,282 of 2,221Top 60%
Overall (All Time): #3,793,737 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5297566 Method and device for increasing the volume of a head of hair Martha L. Huff, Edward Carhart, Donald Warren, Herbert R. Umstead, Roland De La Mettrie +3 more 1994-03-29