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Patent applications and USPTO patent grants for Ambrose, JR.; Robert L..The latest application filed is for "energy absorptive/moisture resistive underlayment formed using recycled materials and a hard flooring system incorporating the same".
Patent | Date |
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Energy Absorptive/Moisture Resistive Underlayment Formed Using Recycled Materials and a Hard Flooring System Incorporating the Same App 20110173924 - Ambrose, JR.; Robert L. ;   et al. | 2011-07-21 |
Energy Absorptive/Moisture Resistive Underlayment Formed using Recycled Materials and a Hard Flooring System Incorporating the Same App 20070039268 - Ambrose, Jr.; Robert L. ;   et al. | 2007-02-22 |
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