Stephen A. Callahan

TB The Boeing: 2 patents #209 of 1,309Top 20%

📍 Mesa, AZ: #945 of 2,463 inventorsTop 40%

🗺 Arizona: #13,050 of 32,909 inventorsTop 40%

Overall (All Time): #2,276,762 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5494180	Hybrid resistance cards and methods for manufacturing same	—	1996-02-27
5364705	Hybrid resistance cards and methods for manufacturing same	—	1994-11-15