DB

David L. Backfisch

PO Ppg Industries Ohio: 5 patents #264 of 1,316Top 25%
PI Ppg Industries: 4 patents #280 of 1,216Top 25%
📍 Monroeville, PA: #81 of 710 inventorsTop 15%
🗺 Pennsylvania: #9,221 of 74,527 inventorsTop 15%
Overall (All Time): #587,547 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6614577 Method and apparatus for controlling an electrochromic device Phillip C. Yu, Charles R. Coleman 2003-09-02
6136161 Fabrication of electrochromic device with plastic substrates Phillip C. Yu, John B. Slobodnik, Thomas G. Rukavina 2000-10-24
6033518 Method for laminating a composite device 2000-03-07
5969847 Method for sealing a laminated electrochromic device edge Charles R. Coleman, Phillip C. Yu 1999-10-19
5916398 Suspension lamination method and device Charles R. Coleman, John E. Smarto 1999-06-29
5798860 Iridium oxide film for electrochromic device Phillip C. Yu, Nada A. O'Brien, Bryant P. Hichwa 1998-08-25
5618390 Iridium oxide film for electrochromic device Phillip C. Yu, Nada A. O'Brien, Bryant P. Hichwa 1997-04-08
5520851 Iridium oxide film for electrochromic device Phillip C. Yu, Nada A. O'Brien, Bryant P. Hichwa 1996-05-28
5471338 Electrochromic device with plastic substrate Phillip C. Yu, Thomas G. Rukavina 1995-11-28