BD

Barbara E. Dennis

CE Certainteed: 3 patents #131 of 431Top 35%
Overall (All Time): #1,601,978 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6715240 Building panel as a covering for building surfaces and method of applying David H. Beck, Robert W. Werner 2004-04-06
6679011 Building panel as a covering for building surfaces and method of applying David H. Beck, Robert W. Werner 2004-01-20
6625939 Building panel as a covering for building surfaces and method of applying David H. Beck, Robert W. Werner 2003-09-30