Ridgey didge roof vent using slightly modified common cement or terracotta ridge tiles
A Provisional patent application filed on 05 March 2003 credited to Baro, Walter
Details
Application number :
2003900997
Application type :
Provisional
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Ridgey didge roof vent using slightly modified common cement or terracotta ridge tiles