JS

John B. Shaposka

DE Denco: 2 patents #1 of 2Top 50%
📍 Wilmington, DE: #21 of 264 inventorsTop 8%
🗺 Delaware: #44 of 479 inventorsTop 10%
Overall (1989): #23,473 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4864101 Hybrid welding wafer Dudley W. C. Spencer 1989-09-05
4832773 Techniques for welding thermoplastic tubes Dudley W. C. Spencer 1989-05-23