DH

Dennis A. Hammond

📍 Ottawa, CA: #1,615 of 6,399 inventorsTop 30%
Overall (All Time): #1,306,540 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4575270 Hose end sprayer — 1986-03-11
4457038 Handle for disposable brush or mop head — 1984-07-03
4417364 Mop holder — 1983-11-29
4287632 Retaining means for mop head — 1981-09-08