JH

John Hovell

TO The Post Office: 1 patents #28 of 117Top 25%
Overall (All Time): #4,029,328 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4430733 Switching of digital signals John H. M. Hardy, Robert E. Barrett, Anthony R. Allwood, Garth I. Riley, Donald W. Smith +2 more 1984-02-07