GH

George W. Holbrook

CL Canadian Patents & Dev. Limited: 2 patents #1 of 49Top 3%
Overall (All Time): #2,369,522 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4300022 Multi-filar moving coil loudspeaker Richard Hastings-James 1981-11-10
4251689 Loudspeaker telephone apparatus Richard Hastings-James 1981-02-17