HH

H. James Heidt

📍 La Cañada Flintridge, CA: #268 of 465 inventorsTop 60%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,907,736 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4943185 Combined drainage and waterproofing panel system for subterranean walls James P. McGuckin, Dean L. Bradfield, Raymond A. Foltz 1990-07-24