DR

David A. Ratner

BM Brod & Mcclung--Pace: 1 patents #1 of 4Top 25%
📍 Walnut Creek, CA: #13 of 51 inventorsTop 30%
🗺 California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #161,808 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5681143 Damper control system for centrifugal fan — 1997-10-28