Assignee
SIGMA BAUELEMENTE GMBH
2 granted patents·28 citations·filing 1980–1983
Top patents by PatentIndex Score
2 records- 0154US4325533AHousing device for isolating connecting reinforcements at joints between first and subsequently poured concrete structuresSIGMA BAUELEMENTE GMBH·Filed 1980·Granted Apr 20, 1982·20 cites·16 claims
- 0234US4468907ADevice for protecting steel reinforcements for concrete as well as a method and device for producing themSIGMA BAUELEMENTE GMBH·Filed 1983·Granted Sep 4, 1984·8 cites·13 claims
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