DF

David C. Frederick

📍 Gastonia, NC: #56 of 344 inventorsTop 20%
🗺 North Carolina: #11,920 of 45,564 inventorsTop 30%
Overall (All Time): #1,232,248 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D656999 Helicopter fuselage frame 2012-04-03
4404790 Traversing core yarn guide for spinning frames 1983-09-20
4357791 Noise and vibration dampening ring mount William K. Hope, Sr. 1982-11-09
4356689 Combination spline coupling and spindle washer for roving frames 1982-11-02