RS

Ronald R. Simpson, Sr.

📍 Westminster, CO: #406 of 944 inventorsTop 45%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,239,689 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6084509 Annunciator alarm control device — 2000-07-04
4271491 Intruder alarm system — 1981-06-02