Restoration of vintage WW2 military? adjustable wrench J.A.Henckels Solingen

Описание: Welcome to a new restoration. From the pile of old adjustable wrenches I found one that I find little, but nice informations online. It is believed to be made in Germany by J.A. Henkels Zwillingswerk, Solingen. The factory is recognised as a foremost producer of cutlery essentials since 1895 until today, but is thought to have produced wrenches during the WWII. A lot of factories probably changed the domain to military during the war as the incomes decreased and also because was even "requested" to join the military effort, especially in Germany. I find several marks types J.A.Henckels Solingen online, but also with POLARIS and FOREIGN, FOREIGN was often marked on tools for export to UK in pre and postwar period.
It matches a British patent granted to H. P. Rapinet on Dec. 31, 1935 and from US patent registry, US Patent: 2,026,001: “A sliding adjustable jaw is connected to a lever handle. The lever handle is also connected to a pivoted toothed dog which engages rack teeth on the main shank when the lever handle is closed. Opening the lever handle releases the toothed dog's grip and allows the movable jaw to slide freely. A wrench produced by J.A. Henckels Co. of Solingen, Germany matches this design. No documentation has thus far been found to determine how the wrench and patent are related.”
For me is a difficult to use wrench, it doesn't always block on the nut, or maybe because the teeths are too worn on this, maybe the strength of the spring is not also good.
Is strange that this wrench was in the pile from my neighbor, but is plausible as Romania during WWII was part of the Axis when was engaged in the war (so German troops were stationed and fought on the territory of Romania, after the invasion in 1940), before swiching side to the Alies.

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