LD

Leonard H. Drexler

AT AT&T: 2 patents #12 of 261Top 5%
AT American Telephone And Telegraph: 2 patents #10 of 244Top 5%
📍 Carmel, IN: #7 of 34 inventorsTop 25%
🗺 Indiana: #103 of 1,469 inventorsTop 8%
Overall (1989): #21,489 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4865564 Wall mounted connecting block W. John Denkmann, Ronald H. Guelden, William T. Spitz 1989-09-12
4820192 Connecting block construction W. John Denkmann, Ronald H. Guelden, William T. Spitz 1989-04-11