8/22/2019 NIKOLA TESLA - APPARATUS FOR PRODUCING OZONE - US PATENT No. 568,177

1/4

8/22/2019 NIKOLA TESLA - APPARATUS FOR PRODUCING OZONE - US PATENT No. 568,177

2/4

8/22/2019 NIKOLA TESLA - APPARATUS FOR PRODUCING OZONE - US PATENT No. 568,177

3/4

8/22/2019 NIKOLA TESLA - APPARATUS FOR PRODUCING OZONE - US PATENT No. 568,177

4/4