DS

Douglas B. Phillips, Sr.

📍 Spring, TX: #627 of 2,039 inventorsTop 35%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,295,541 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5180260 Chamfering reamer with trip shoulder — 1993-01-19
4995301 Tri-motion grinding fixture — 1991-02-26
4930946 Chamfering reamer with trip shoulder — 1990-06-05
D306866 Reamer — 1990-03-27