DH

Doug Hartley

SS Sur-Gard Security Systems: 2 patents #1 of 8Top 15%
📍 Dollard-Des-Ormeaux, CA: #113 of 298 inventorsTop 40%
Overall (All Time): #2,353,274 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4517556 Automatic bypass switch for household security system Ben Saul 1985-05-14
4477798 Fire Alarm control system Ben Saul 1984-10-16