DH

David Harrah

QR Qrc: 1 patents #3 of 5Top 60%
Overall (All Time): #1,547,722 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8601766 Building system for forming a wooden panel into a powder coated wall structure — 2013-12-10
5375286 Quick-release connector for mop handles and the like — 1994-12-27
5207754 Quick-release connector for mop handles and the like — 1993-05-04