David Fonseca

📍 Lawrence, KS: #4 of 33 inventorsTop 15%

🗺 Kansas: #28 of 472 inventorsTop 6%

Overall (1997): #43,160 of 185,788Top 25%

Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5640447	Debit calling label	—	1997-06-17
5629977	Method and assembly for providing telephone calling credit in combination with a greeting card	—	1997-05-13