David G. Powell

United States of America

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Total IP 1
Total IP Rank # 1,321,547
IP Activity Score 0/5.0    0
IP Activity Rank # 1,754,556

Patents

Trademarks

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Last Patent 2019 - Glideway crowning plate and meth...
First Patent 2009 - Sharpening apparatus for plane i...

Latest Inventions, Goods, Services

2018 Invention Glideway crowning plate and method thereof for creating a crown on a cutting edge of a cutting bl...
2009 Invention Sharpening apparatus for plane iron crowning. A sharpening apparatus having a slightly convexly o...