JB

John L. Butler

IA Image Acoustics: 2 patents #1 of 3Top 35%
📍 Marshfield, MA: #2 of 20 inventorsTop 10%
🗺 Massachusetts: #2,540 of 14,432 inventorsTop 20%
Overall (2024): #152,631 of 561,600Top 30%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12087263 Underwater acoustic projector transducers Frank D. Fratantonio 2024-09-10
11911793 Deep submergence bender transduction apparatus Frank D. Fratantonio, Jethro H. Tannis 2024-02-27