DR

Douglas Duane Roth

CG Celanese Gmbh: 2 patents #111 of 478Top 25%
HH Hna Holdings: 1 patents #7 of 35Top 20%
HC Hoechst Celanese: 1 patents #468 of 871Top 55%
IS Invista North America S.A.R.L.: 1 patents #169 of 403Top 45%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
📍 Matthews, NC: #61 of 379 inventorsTop 20%
🗺 North Carolina: #7,471 of 45,564 inventorsTop 20%
Overall (All Time): #756,730 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6926961 Nonwoven blend with electret fiber 2005-08-09
6426128 Co-processable multi-layer laminates for forming high strength, haze-free, transparent articles and methods of producing same Robert M. Kimmel, Arno Wolf, John Arthur Penoyer 2002-07-30
6408576 Arch mold apparatus and method for making arches 2002-06-25
5703202 Process for treating liquid crystal polymer film Randy D. Jester, John Arthur Penoyer, Detlef Frank, Minoru Onodera, Takeichi Tsudaka +2 more 1997-12-30
5529740 Process for treating liquid crystal polymer film Randy D. Jester, John Arthur Penoyer, Detlef Frank, Minoru Onodera, Takeichi Tsudaka +2 more 1996-06-25
4605364 Melt-spinning apparatus for polyester filaments Fredrick A. Ethridge 1986-08-12
4514350 Method for melt spinning polyester filaments Fredrick A. Ethridge 1985-04-30