WT

William Joseph Thornhill

IBM: 2 patents #45 of 788Top 6%
🗺 Texas: #147 of 2,272 inventorsTop 7%
Overall (1982): #6,200 of 81,411Top 8%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4359288 Single pass ribbon cartridge for impact printers having means to prevent incorrect insertion Robert L. Bullock, Billy D. Purcell, Edward E. Toutant 1982-11-16
4347786 Impact printer hammer flight time and velocity sensing means Robert H. Sweat, Jr. 1982-09-07