GM

Gregory Scott McDonald

SA Safeworks: 2 patents #7 of 15Top 50%
Overall (All Time): #1,854,313 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11535492 Overspeed safety mechanism for lift car David Romo 2022-12-27
11427437 Overspeed safely brake David Romo 2022-08-30