AN

Albert G. Nilssen

WE Wescom: 2 patents #1 of 10Top 10%
Overall (All Time): #2,365,207 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4313038 DTMF Signal receiver Spencer L. Hermanson 1982-01-26
4219699 Telephone supervision system using DTMF signals Spencer L. Hermanson 1980-08-26