DH

David G. Holloway

PC Parker & Harper Companies: 1 patents #1 of 1Top 100%
📍 Concord, NH: #6 of 12 inventorsTop 50%
🗺 New Hampshire: #146 of 683 inventorsTop 25%
Overall (1997): #163,248 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5647389 Indexable latching handle assembly for quarter-turn rotary valves — 1997-07-15