DB

Donald D. Bretches

FO Foster-Miller: 4 patents #32 of 327Top 10%
AR Albany International Research: 2 patents #1 of 12Top 9%
DE Dupont Dow Elastomers: 1 patents #34 of 69Top 50%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Waynesboro, VA: #25 of 175 inventorsTop 15%
🗺 Virginia: #4,439 of 34,511 inventorsTop 15%
Overall (All Time): #758,295 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6503996 High-uniformity spandex and process for making spandex Gary A. Lodoen 2003-01-07
6132668 Biaxially oriented ordered polymer films Dirk Baars, Robert B. Davis, Andrew C. Harvey, Richard W. Lusignea 2000-10-17
5077950 Simulated window pane molding Joanellen K. Hart-Bretches 1992-01-07
4973647 Fiber from polyether-based spandex Steven P. Pardini 1990-11-27
4973442 Forming biaxially oriented ordered polymer films Andrew C. Harvey, Richard W. Lusignea, Dirk Baars, Robert B. Davis 1990-11-27
4963428 Biaxially oriented ordered polymer films Andrew C. Harvey, Richard W. Lusignea, James L. Racich, Dirk Baars, Robert B. Davis 1990-10-16
4939235 Biaxially oriented ordered polybenzothiazole film Andrew C. Harvey, Richard W. Lusignea, Dirk Baars, Robert B. Davis 1990-07-03