Van Der Spek; Pieter A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Van Der Spek; Pieter A..The latest application filed is for "halogen-free flame-retardant composition".
- Van Der Spek; Pieter A. - Elsloo NL
| Patent | Date |
|---|---|
| Halogen-free flame-retardant composition Grant 6,767,941 - Van Der Spek , et al. July 27, 2 | 2004-07-27 |
| Halogen-free flame-retardant composition App 20020096669 - Van Der Spek, Pieter A. ; et al. | 2002-07-25 |
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