HL

Hans Leisinger

DL Deluxe Laboratories: 2 patents #4 of 12Top 35%
📍 Calabasas, CA: #1,508 of 4,119 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,216,724 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6428626 Device and method for cleaning an elongated record medium George J. Rowland, Colin F. Mossman 2002-08-06
6223377 Device for cleaning an elongated record medium George J. Rowland, Colin F. Mossman 2001-05-01