AG

Alvin F. Groppe

📍 Germantown, TN: #295 of 458 inventorsTop 65%
🗺 Tennessee: #10,964 of 20,272 inventorsTop 55%
Overall (All Time): #3,843,282 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5086464 Telephone headset for the hearing impaired — 1992-02-04