RR

Robert L. Rackley

EA E.I. Du Pont De Nemours And: 14 patents #460 of 8,010Top 6%
📍 Parkersburg, WV: #1 of 156 inventorsTop 1%
🗺 West Virginia: #167 of 3,425 inventorsTop 5%
Overall (All Time): #356,778 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6391240 Process of making extruded brush monofilaments 2002-05-21
5976692 Natural bristle replacement for cosmetic and other brushes Russel Brezler 1999-11-02
5939166 Moisture stable tuftstring carpet Lap-Tak Andrew Cheng, Carmen A. Covelli, Teh-Chuan Wang 1999-08-17
5933906 Monofilaments with split ends 1999-08-10
5849410 Coextruded monofilaments Charles F. Nelson 1998-12-15
5770307 Coextruded monofilaments Charles F. Nelson 1998-06-23
5128208 Flaggable synthetic tapered paintbrush bristles William B. Bond 1992-07-07
5082610 Process for surface treating thermoplastic monofilaments Robert Fish, Robert K. Anderson, Michael H. Mainz 1992-01-21
4921668 Process for flame treating Robert K. Anderson, Michael H. Mainz 1990-05-01
4867679 Orthodontic ligature 1989-09-19
4584240 Coextruded monofilament fishline Paul F. Herbert 1986-04-22
4469739 Oriented woven furniture support material James Gretzinger 1984-09-04
4279053 Tri- or tetra-locular paint brush bristles Robert H. Payne 1981-07-21
4251588 Hollow monofilaments in paper-making belts Gerald B. Goetemann 1981-02-17