Building units and construction elements – Structure
Design Patent
2005-12-06
2005-12-06
Clark, Doris (Department: 2914)
Building units and construction elements
Structure
Design Patent
active
D0512513
CLAIM:
The ornamental design of a concrete bridge and headwall unit, as shown and described.
REFERENCES:
patent: D47171 (1915-03-01), Smith
patent: D356163 (1995-03-01), Ryan
patent: 5590433 (1997-01-01), Fricke
patent: 6719492 (2004-04-01), Heierli
Brodowski David M.
Wasniak Daniel L.
Clark Doris
Con/Span Bridge Systems Ltd.
Jacox Meckstroth & Jenkins
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