Patent List For Instructions: Summer 2023

Pi Variables, Inc. products are protected by one or more of the following U.S.
and foreign patents:

United States:

Australia:
366289
France:
3218887
Canada:
165009

European Community:
004142503-0001
004142503-0002
004142503-0003
004142503-0004
3218887
002838227-0001

United Kingdom:
3218887
90028382270001
90041425030001
90041425030002
90041425030003
90041425030004

Belgium:
3218887

Switzerland:
3218887

Italy:
502020000119114
Sweden:
3218887

Germany:
60 2015 060 604.3
Ireland:
3218887

Japan:
6776251
7214641
1609250

Additional patents pending:

Japan; 2021-006700; 2022-087345 – Published
Hong Kong; 40023942A; 40019830

U.S.A.; WO2016/077812; 17/513,319; 17/728,920 – Published

China; 110770082 - Published

European Union; 3580094 - Published

Additional patents pending not yet published.