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John A. Spisak

TD The Pipe Line Development: 1 patents #1 of 4Top 25%
📍 Avon, OH: #2 of 12 inventorsTop 20%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #92,755 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832379 Collet grip riser fitting Edward B. Smith, III, William B. Smith, Elmer V. Rogers Jr. 1989-05-23