DJ

David A. Zeller, Jr.

AU Alcatel Usa: 3 patents #2 of 63Top 4%
IT Itt: 3 patents #81 of 721Top 15%
📍 Brookfield, CT: #79 of 302 inventorsTop 30%
🗺 Connecticut: #7,319 of 34,797 inventorsTop 25%
Overall (All Time): #894,458 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4821319 Single line telephone communication system Francisco A. Middleton 1989-04-11
4782480 Telephone line access apparatus Franklin Hargrave, Francisco A. Middleton 1988-11-01
4750170 Line access apparatus for in-band communication Francisco A. Middleton, Franklin Hargrave 1988-06-07
4668902 Apparatus for optimizing the charging of a rechargeable battery 1987-05-26
4654869 Information collecting and forwarding apparatus Mark G. Smith, Karen J. French, Franklin Hargrave, Francisco A. Middleton 1987-03-31
4646342 Test trunk access controller Franklin Hargrave, Mark G. Smith, William L. Hull, Francisco A. Middleton 1987-02-24