TD

Thomas Derkacs

TL Trw Limited: 5 patents #217 of 2,166Top 15%
EC Excello Co.: 1 patents #92 of 216Top 45%
📍 Mayfield, OH: #4 of 26 inventorsTop 20%
🗺 Ohio: #13,499 of 73,341 inventorsTop 20%
Overall (All Time): #895,433 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4709156 Method and apparatus for inspecting a surface Stephan D. Murphy 1987-11-24
4660419 Reference standard for calibration of ultrasonic arrays John Touhalisky 1987-04-28
4523468 Phased array inspection of cylindrical objects Istvan M. Matay, Stephan D. Murphy, John Touhalisky 1985-06-18
4411940 Airfoil Charles W. Fetheroff, Istvan M. Matay, Istvan Toth 1983-10-25
4358471 Control apparatus Charles W. Fetheroff, Istvan M. Matay, Istvan Toth 1982-11-09
4334495 Method and apparatus for use in making an object Charles W. Fetheroff, Istvan M. Matay, Istvan Toth 1982-06-15