MC

Matthew G. Callahan

📍 Ipswich, MA: #104 of 208 inventorsTop 50%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,282,930 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5578799 Patient-to-transducer interface device Thomas Callahan, Ann Bell 1996-11-26
5467775 Modular auscultation sensor and telemetry system Thomas Callahan 1995-11-21