DG

Donald Gringer

AT Allway Tools: 3 patents #1 of 2Top 50%
📍 New York, NY: #55 of 950 inventorsTop 6%
🗺 New York: #821 of 9,277 inventorsTop 9%
Overall (2002): #30,622 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6487778 Utility knife with pressure reducing slot Yuan Fang Cheng 2002-12-03
D454000 Wide straight brush 2002-03-05
D453251 Wood scraper Yuan Fang Cheng 2002-01-29