Invention Grant
- Patent Title: Combination sheet metal hammer and duet stretcher device
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Application No.: US15959315Application Date: 2018-04-23
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Publication No.: US10682749B2Publication Date: 2020-06-16
- Inventor: Mike Rittenhouse
- Applicant: Mike Rittenhouse
- Agency: Ritchison Law Offices, PC
- Agent John D Ritchison
- Main IPC: B25F1/00
- IPC: B25F1/00 ; B21D39/02 ; F24F13/02 ; B25B27/16 ; B25G3/00 ; F16L23/14 ; F16L23/024
Abstract:
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.
Public/Granted literature
- US20180304452A1 Combination Sheet Metal Hammer and Duct Stretcher Device Public/Granted day:2018-10-25
Information query
