David D. Horobin

📍 Anaheim, CA: #477 of 1,337 inventorsTop 40%

🗺 California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #2,321,147 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4894969	Insulating block form for constructing concrete wall structures	—	1990-01-23
4884382	Modular building-block form	—	1989-12-05