RH

Richard J. Hetherington

IBM: 3 patents #26,272 of 70,183Top 40%
📍 Pine Plains, NY: #4 of 11 inventorsTop 40%
🗺 New York: #38,318 of 115,490 inventorsTop 35%
Overall (All Time): #1,653,735 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5294520 Zero undercut etch process Thomas A. DeMercurio, Robert Albert Meyen, Scott Aaron SANDS 1994-03-15
4336088 Method of fabricating an improved multi-layer ceramic substrate George E. Melvin, Stephen A. Milkovich, Ernest N. Urfer 1982-06-22
4302625 Multi-layer ceramic substrate George E. Melvin, Stephen A. Milkovich, Ernest N. Urfer 1981-11-24