Frederic E. Andrea

📍 Scottsdale, AZ: #1,390 of 3,386 inventorsTop 45%

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

Overall (All Time): #2,333,168 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4867415	Valve apparatus and method of operating thereof	—	1989-09-19
4779840	Valve apparatus and method of operating thereof	—	1988-10-25