DH

Don A. Hollingsworth

📍 Calabasas, CA: #21 of 254 inventorsTop 9%
🗺 California: #1,869 of 17,285 inventorsTop 15%
Overall (1997): #42,003 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5673887 Fastener for holding objects to a perforated wall Gregory A. Hollingsworth 1997-10-07
D377594 Toolholder 1997-01-28