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| Patents for Bar Z Industrial Development | |||||
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| Number | Date | Patentee | Title | Type | |
| D757,573 | May 31, 2016 | S.E. Zinkosky, II | 45-45-90 angle square | squares | |
| D760,569 | Jul. 05, 2016 | S.E. Zinkosky, II | 30-60-90 angle square | squares | |
| D790,370 | Jun. 27, 2017 | S.E. Zinkosky, II | 45-45-90 angle square | squares | |
| D790,371 | Jun. 27, 2017 | S.E. Zinkosky, II | 30-60-90 angle square | squares | |