SG

Sheldon Joseph Grywacheski

DS Dutch Blacksmith Shop: 1 patents #1 of 5Top 20%
📍 Humboldt, CA: #1 of 1 inventorsTop 100%
Overall (2019): #275,022 of 560,194Top 50%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10470354 Manure spreader improvements Ronald Galen Jordan, Adam Jack Joseph Kraine, Douglas Little, Wayne Gordon Westcott 2019-11-12