DS

David L. Siegfried

CI Columbia Insurance: 3 patents #95 of 371Top 30%
Hoechst Gmbh: 2 patents #1,574 of 4,020Top 40%
BH Bayer Healthcare: 2 patents #3,312 of 8,007Top 45%
Johnson & Johnson: 1 patents #4,762 of 7,810Top 65%
HC Hoechst Celanese: 1 patents #468 of 871Top 55%
AN Agfa Nv: 1 patents #146 of 331Top 45%
LU Lehigh University: 1 patents #88 of 228Top 40%
📍 Emmaus, PA: #49 of 365 inventorsTop 15%
🗺 Pennsylvania: #6,628 of 74,527 inventorsTop 9%
Overall (All Time): #412,127 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11045565 Pasteurizing paints and method for pasteurizing paints Robert Sheerin, Wilbur Mardis, John Ritzke, Navin Tilara 2021-06-29
10639386 Pasteurizing paints and method for pasteurizing paints Robert Sheerin, Wilbur Mardis, John Ritzke, Navin Tilara 2020-05-05
7754801 Translucent coating compositions providing improved UV degradation resistance Robert Sheerin, Navin Tilara, Hrire Gharapetian 2010-07-13
6143461 Process for obtaining a color image with improved resolution Shane Hsieh, Rusty Koenigkramer, Richard L. Shadrach, Wojciech A. Wilczak, Richard Zagroba 2000-11-07
5840464 Single coating transfer color proofing system John J. Gigantino, Rhonda L. Stark 1998-11-24
5792588 Negative working, peel developable, single sheet color proofing system Wojciech A. Wilczak, Stephan J. W. Platzer 1998-08-11
5738970 Negative working, peel developable, single sheet color proofing system with polyvinyl acetal photoadhering layer Shane Hsieh, Rusty Koenigkramer, Shuchen Liu, Richard L. Shadrach, Wojciech A. Wilczak 1998-04-14
5545506 Method of producing an image using a negative working, peel developable, single sheet color proofing system Wojciech A. Wilczak, Stephan J. W. Platzer 1996-08-13
5436106 Process for the production of a color test image using quinone diazide photosensitive recording material Dieter Mohr, Martin Benzing, Juergen Mertes, Guenter Hultzsch, Ine Gramm +3 more 1995-07-25
5348833 Colored positive-working quinone diazide photosensitive recording material for the production of a color test image utilizing adhesive layer containing alkali-insoluble organic polymer and alkali-soluble polyester Dieter Mohr, Martin Benzing, Juergen Mertes, Guenter Hultzsch, Ine Gramm +3 more 1994-09-20
4792577 Stain-resistant no-mix orthodontic adhesive Albert Chen, Donald S. Mueller 1988-12-20
4468499 Thermoplastic interpenetrating polymer network composition and process David A. Thomas, Leslie H. Sperling 1984-08-28