LeDuc; Edward C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for LeDuc; Edward C..The latest application filed is for "extrusion die for forming polymeric foam sheets".
- LeDuc; Edward C. - Bloomer WI
- LeDuc; Edward C. - Marietta GA
- LeDuc; Edward C. - Chippewa Falls WI
| Patent | Date |
|---|---|
| Extrusion die for forming polymeric foam sheets App 20080057148 - Pitch; Dale P. ; et al. | 2008-03-06 |
| Methods for using a foam condensation board system Grant 6,067,770 - Lubker, II , et al. May 30, 2 | 2000-05-30 |
| Heating of a foam cup to increase stiffness Grant 4,878,970 - Schubert , et al. November 7, 1 | 1989-11-07 |
| Method of extruding a polystyrene foam using both a physical blowing agent and water Grant 4,455,272 - Schubert , et al. June 19, 1 | 1984-06-19 |
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