EW

Ernest W. Watchorn

📍 Vancouver, CA: #1,542 of 5,070 inventorsTop 35%
Overall (All Time): #1,656,501 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5180294 Concrete pump having pressurized seal for swing tube — 1993-01-19
4548153 Buoyant concrete foundation and method therefor — 1985-10-22
4453488 Connector for joining structural components — 1984-06-12