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Stelzer; Josef
Vienna, AT
No. of patents:

Patent Number Title Of Patent Date Issued
D294687 Tire or similar article March 15, 1988
D289025 Tire or similar article March 31, 1987
5137068 Radial-ply tire for trucks with tread blocks divided into two parallelogram-shaped parts August 11, 1992
The radial-ply tire for use on trucks and constructed according to the invention possesses a tread profile which comprises an equatorial line, a tread-profile width and a plurality of rows of blocks separated from one another by circumferential grooves. Each block comprises two substanti
4630661 Pneumatic vehicle tire tread, especially radial-ply tire for trucks December 23, 1986
The tire comprises a tread with central grooves between exterior grooves. Both types of grooves extend in a zig-zag shape in the circumferential direction and define ribs between them. Each one of the central grooves is bounded by sidewalls which define two opposite sidewall sections bet

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