CS

Charles A. Frey, Sr.

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,296,806 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5346093 Liquid storage system Louis De Benedittis 1994-09-13
4895272 Liquid storage system Louis De Benedittis 1990-01-23