BF

Bernard Ferstenfeld

📍 Hampstead, CA: #34 of 56 inventorsTop 65%
Overall (All Time): #3,968,210 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4642817 Adjustable sweatband for hat — 1987-02-17