DG

David Griswold

GC Griswold Controls: 2 patents #1 of 2Top 50%
📍 Wilson, NC: #1 of 5 inventorsTop 20%
🗺 North Carolina: #43 of 673 inventorsTop 7%
Overall (1982): #15,273 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4364408 Backflow prevention apparatus Richard Veit 1982-12-21
4333495 Check valve assembly Richard Veit 1982-06-08