GR248B
(en )
1922-02-28
FINISHING IN AND IN RELATION TO CEMENT AND CONCRETE.
GR1231B
(en )
1926-07-08
IMPROVEMENTS IN TYPES OF TILES AND BRICKS.
FR570795A
(en )
1924-05-07
Further training in building construction
FR558686A
(en )
1923-08-31
Reinforced concrete floor
GR2428B
(en )
1929-08-27
PERFECTIONS IN AND IN RELATION TO ASPHALT COMPOSITIONS.
FR568998A
(en )
1924-04-04
Stone setting
FR549700A
(en )
1923-02-16
Improvements in the construction of buildings
ES101961A1
(en )
1927-05-01
Improvements in concrete mixers and similar machines.
GR1309B
(en )
1926-10-15
ENGINE IMPROVEMENTS FOR CONSTRUCTION AND REPAIR OF ETIQUES.
GR2018B
(en )
1928-10-17
PERFECTIONS IN OR IN RELATION TO THE PRODUCTION OF CONCRETE OR CELLULAR CONCRETE AND SIMILAR MATERIAL.
GR2547B
(en )
1929-11-26
IMPROVEMENTS IN AND IN CONNECTION WITH CONCRETE.
GR1381B
(en )
1926-12-31
IMPROVEMENTS IN AND RELATED TO TELEPHONE SYSTEMS.
FR554779A
(en )
1923-06-16
Reinforced cement post
GR1493B
(en )
1927-05-07
IMPROVEMENTS IN AND IN RELATION TO EXPLOSIVES.
FR629478A
(en )
1927-11-10
Special constructions in reinforced cement
DK32579C
(en )
1923-12-03
Building stone.
ES97289A1
(en )
1926-05-16
Improvements in the manufacture of concrete and similar materials.
ES97233A1
(en )
1926-05-01
Improvements in the manufacture of concrete and similar materials.
FR557244A
(en )
1923-08-04
Improvements in the construction of tents
ES83996A1
(en )
1923-05-01
Improvements in cement constructions.
FR578312A
(en )
1924-09-23
Cement
FR581182A
(en )
1924-11-24
Cement
GR1144B
(en )
1926-03-17
PERFECTIONS IN AND IN RELATION TO POLYGRAPHY
FR550171A
(en )
1923-02-28
Improvements in bricks used in construction
GR1188B
(en )
1926-05-24
MIXING METHOD BY MORTAR METER AND MORTARS.