|
GB465268A
|
|
Improvements in or relating to shingles
|
|
GB463406A
|
|
Improvements in or relating to cementitious materials
|
|
GB461655A
|
|
Improvements in or relating to shingle elements
|
|
GB423694A
|
|
Improvements in and relating to shingles and the manufacture thereof
|
|
US1913667A
|
|
Shingle element and method of making same
|
|
US1898990A
|
|
Strip of roofing material
|
|
US1898989A
|
|
Shingle
|
|
CA363123A
|
|
Shingle roof
|
|
CA339346A
|
|
Building material
|
|
CA356255A
|
|
Shingle
|
|
CA347985A
|
|
Shingle cutting method
|
|
CA363128A
|
|
Shingle production
|
|
CA356256A
|
|
Building element
|
|
CA363124A
|
|
Roofing element
|
|
CA339345A
|
|
Shingle manufacture
|
|
CA372763A
|
|
Roofing and siding element
|
