BRADY, SHERRY H., TRUSTEES, OR THEIR SUCESSORS IN TRUST, UNDER THE WILLIAM J. BRADY LIVING TRUST, DATED JUNE 26, 1993, AND ANY AMENDMENTS THERETO

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E21B EARTH OR ROCK DRILLING 195

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5180022 Rotary mining toolsMay 23, 91Jan 19, 93[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4682987 Method and composition for producing hard surface carbide insert toolsExpiredJul 15, 85Jul 28, 87[B24D]

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