Combination Sheet Metal Hammer and Duct Stretcher Device |
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| 申请号 | US15959315 | 申请日 | 2018-04-23 | 公开(公告)号 | US20180304452A1 | 公开(公告)日 | 2018-10-25 |
| 申请人 | Mike Rittenhouse; | 发明人 | Mike Rittenhouse; | ||||
| 摘要 | A combination sheet metal hammer and duct stretcher device. The device is directed to the field of heating, ventilation and air conditioning and particularly to a duct assembly tool for drawing and pinching two pieces of duct work together. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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