PH

Peter E. Humphries

Overall (All Time): #1,613,029 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6651477 Process for forming tubular components Alexander Mark Duff, Simon Jonathan Giles Griffiths 2003-11-25
4356474 Alarm system Paul Aeberli 1982-10-26
4201982 Four wire multi-satellite intrusion alarm with multiplex annunciation 1980-05-06