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Patents
Patents Assigned to Adelheid Dolder
Patents Assigned to Adelheid Dolder
Building blocks and support structure
Patent number:
4056907
Abstract:
A structure composed of a girder grating as well as building blocks retained by such girder grating. The girder grating consists of trusses and the chords of the trusses engage into grooves provided at the building blocks.
Type:
Grant
Filed:
October 6, 1975
Date of Patent:
November 8, 1977
Assignee:
Adelheid Dolder
Inventor:
Hans Dolder