Lloyd M. Costello

📍 Tacoma, WA: #330 of 723 inventorsTop 50%

🗺 Washington: #48,111 of 76,902 inventorsTop 65%

Overall (All Time): #3,936,082 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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