|
US468838A
(en)
|
|
Building-brick |
|
US1969729A
(en)
|
|
Formation or production of blocks
|
|
US748603A
(en)
|
|
Building-block.
|
|
US333119A
(en)
|
|
Febdbtand epheaim |
|
USD21522S
(en)
|
|
Design for a bui ldi n g - b loc k |
|
US1452432A
(en)
|
|
Material building unit
|
|
US926282A
(en)
|
|
Tile.
|
|
US799259A
(en)
|
|
Interlocking tiles.
|
|
US935402A
(en)
|
|
Interlocking flooring and ceiling.
|
|
US337693A
(en)
|
|
Metal-faced building-block |
|
US836960A
(en)
|
|
Wall-tie.
|
|
US828993A
(en)
|
|
Concrete building-block.
|
|
US652051A
(en)
|
|
Fireproof structure.
|
|
US956347A
(en)
|
|
Bond-plate for building construction.
|
|
US955230A
(en)
|
|
Building blocks and wall.
|
|
US473185A
(en)
|
|
Ornamental wood and metal work |
|
US270274A
(en)
|
|
Brick |
|
US436989A
(en)
|
|
Paving-block |
|
USD20232S
(en)
|
|
Design for a roofing-tile |
|
US624862A
(en)
|
|
Tongue-and-grooved flooring |
|
USD10342S
(en)
|
|
Design for box-stoves |
|
USD20402S
(en)
|
|
Design for a roofing-tile |
|
USD20408S
(en)
|
|
Design for a roofing-tile |
|
USD17113S
(en)
|
|
Design for a panel |
|
US694193A
(en)
|
|
Rib for concrete-arch construction.
|
