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John P. Spriggs

📍 Roswell, GA: #487 of 1,104 inventorsTop 45%
🗺 Georgia: #13,651 of 35,610 inventorsTop 40%
Overall (All Time): #2,279,210 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5522492 Escalator handrail drive system James F. Evans 1996-06-04
5427221 Escalator handrail drive system James F. Evans 1995-06-27