DF

David C. Frederick

📍 Gastonia, NC: #2 of 21 inventorsTop 10%
🗺 North Carolina: #43 of 673 inventorsTop 7%
Overall (1982): #15,287 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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