DS

Douglas Swingley

SM Spears Manufacturing: 2 patents #1 of 2Top 50%
📍 Santa Clarita, CA: #7 of 77 inventorsTop 10%
🗺 California: #3,616 of 26,868 inventorsTop 15%
Overall (2005): #57,784 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6959880 Pipe fitting with length adjustment — 2005-11-01
6899127 Non-vibrating ball check valve — 2005-05-31