8/10/2019 Us 4115292 patent

1/16

8/10/2019 Us 4115292 patent

2/16

8/10/2019 Us 4115292 patent

3/16

8/10/2019 Us 4115292 patent

4/16

8/10/2019 Us 4115292 patent

5/16

8/10/2019 Us 4115292 patent

6/16

8/10/2019 Us 4115292 patent

7/16

8/10/2019 Us 4115292 patent

8/16

8/10/2019 Us 4115292 patent

9/16

8/10/2019 Us 4115292 patent

10/16

8/10/2019 Us 4115292 patent

11/16

8/10/2019 Us 4115292 patent

12/16

8/10/2019 Us 4115292 patent

13/16

8/10/2019 Us 4115292 patent

14/16

8/10/2019 Us 4115292 patent

15/16

8/10/2019 Us 4115292 patent

16/16