Johannes H. M. Velthof

AT AT&T: 1 patents #47 of 261Top 20%

📍 Hilversum, NL: #4 of 20 inventorsTop 20%

Overall (1989): #92,362 of 140,708Top 70%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4797904	Transmitter for	Hendrikus J. Dekker	1989-01-10