Abstract
A conserved covariant fourth rank tensor current J ; αβγ is constructed for these models both in flat and constant curvature space. For flat space, ∫ d x + J ++++ and its parity conjugate agree with well known results for the lowest grade sine-Gordon conserved charges. However potentially new charges such as ∫ d x + J +++− and ∫ d x + J +++ α ϵ αβ x β either vanish or fail to be conserved because J μαβγ is not symmetric in μ↔ γ. There is one curious exception for sine-Gordon models in anti-de Sitter space.
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