POLYEARN DEVELOPMENT CORPORATION
Patent Applications and Registrations
Patent applications and USPTO patent grants for POLYEARN DEVELOPMENT CORPORATION.The latest application filed is for "portable tank and tank container for liquefied gas transportation".
- POLYEARN DEVELOPMENT CORPORATION -
| Patent | Date |
|---|---|
| Portable tank and tank container for liquefied gas transportation App 20080067178 - Sun; Hongli ; et al. | 2008-03-20 |
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