AB

Alfred M. Blumenfeld

📍 Philadelphia, PA: #1,701 of 4,834 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,354,946 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4543679 Toothbrush assembly combining a handle with a replaceable brush assembly and a replaceable oral hygiene device Paul M. Rosofsky 1985-10-01
D275656 Remotely transmitted temperature receiver and cradle 1984-09-25