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Clarence Friend

Laguna Woods, CA: #2 of 3 inventorsTop 70%
California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #166,059 of 185,788Top 90%
1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5692037 On demand real time telephone billing equipment — 1997-11-25

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