WB

William C. Blackman

CT Cooper Technologies: 8 patents #18 of 757Top 3%
CB Cooper Brands: 7 patents #2 of 31Top 7%
Overall (All Time): #326,193 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7490414 Tape measure with extended standout James M. Critelli, Edgar T. Gilliam, Darin H. Duphorne, John Owen 2009-02-17
7159331 Tape measure with extended standout James M. Critelli, Edgar T. Gilliam, Darin Duhporne, John Owen 2007-01-09
7131214 Tape measure mounting clip Christopher T. Cluff 2006-11-07
6811109 Retainer for power-return tape measure spring Edgar T. Gilliam 2004-11-02
6718649 Tape measure housing with post James M. Critelli 2004-04-13
D476913 Tape measure housing Renfred K. McDaniel, James P. Edwards 2003-07-08
D471473 Tape measure housing Renfred K. McDaniel, Robert Grubbs, James P. Edwards, Tina L. Fox 2003-03-11
D412127 Post level 1999-07-20
5806202 Retractable tape measure with sliding lock Edgar T. Gilliam 1998-09-15
D397950 Tape measure housing Michael Joseph Bobay, Edgar T. Gilliam, John Moody 1998-09-08
5794357 One piece compound lock for tape measure Edgar T. Gilliam 1998-08-18
5600894 Hooking device for a measuring tape Edgar T. Gilliam, William H. Silvester 1997-02-11
D319347 Combined key chain and measuring tape Alfred R. VanLandingham, Jr., David S. Chapin 1991-08-27
4976048 Tape measure lock 1990-12-11
4527334 Power return tape Herman S. Jones 1985-07-09