Hiestand; Willem Pieter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hiestand; Willem Pieter.The latest application filed is for "down-flow chamber".
- Hiestand; Willem Pieter - Delft NL
| Patent | Date |
|---|---|
| Down-flow chamber Grant 3,944,405 - VAN Calsteren , et al. March 16, 1 | 1976-03-16 |
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