RL

Richard M. Langhart

📍 Durango, CO: #94 of 211 inventorsTop 45%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #3,898,342 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4909298 Window covering cord pull safety device Karen F. Langhart 1990-03-20