JC

John F. Castagna

SP Sparkomatic: 3 patents #1 of 2Top 50%
📍 Brooklyn, NY: #5 of 136 inventorsTop 4%
🗺 New York: #235 of 5,342 inventorsTop 5%
Overall (1989): #9,634 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4884655 Tower-type speaker cabinet with pivoted plural speaker subassembly Tommyca Freadman 1989-12-05
D304921 Bug and stone deflector shield mount for automobiles and the like 1989-12-05
D304586 Loudspeaker Tommyca Freadman 1989-11-14