Lloyd M. Costello

📍 Tacoma, WA: #3 of 22 inventorsTop 15%

🗺 Washington: #241 of 1,406 inventorsTop 20%

Overall (1989): #137,812 of 140,708Top 100%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4860347	Phone screen security system	—	1989-08-22