Trademark applications and grants for Beijing Petroleum Machinery Co. Beijing Petroleum Machinery Co has 3 trademark applications. The latest application filed is for "BPM"
Patent Application | Date |
---|---|
CEMENTING PLUG 20180313186 - 15/864716 Zhang; Hongying ;   et al. | 2018-11-01 |
Mark Image Registration | Serial | Trademark Application Date |
---|---|
![]() "BPM" 4463163 85453934 |
BPM 2011-10-23 |
![]() "BPM" 3912202 77888151 |
BPM 2009-12-07 |
![]() "Symbol/Image" 3924050 77888138 |
Symbol/Image 2009-12-07 |
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