WH

William H. Havanas

AL American Telephone And Telegraph Company, At&T Bell Laboratories: 2 patents #123 of 1,086Top 15%
AT American Telephone And Telegraph: 1 patents #132 of 699Top 20%
📍 Reynoldsburg, OH: #73 of 211 inventorsTop 35%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,322,097 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4905274 Key telephone management system Bret A. Cooper, James R. Hahn, III, Mark A. Martinka 1990-02-27
4866763 Interexchange carrier automatic route selection system Bret A. Cooper, Thomas R. Lanning, Mark A. Martinka 1989-09-12