CH77331A
(en )
1918-04-01
Clamp for fastening ceiling and roof panels on beams and purlins
CH77211A
(en )
1918-03-16
Clamp for connecting ceiling and roof panels with girders purlins
DE2031168B2
(en )
1973-07-05
Roof truss units for the roofing of construction sites
CH76055A
(en )
1917-10-16
Storm clip for connecting roof panels
FR486509A
(en )
1918-04-10
Lightweight roofing made of slab tiles resistant to strongest winds and special fixing hooks
CH67058A
(en )
1914-11-02
Equipment on shingle roofs for fastening the roof shingles to the battens
FR524823A
(en )
1921-09-10
Insulating and waterproof panel system for the construction of roofs
GB105468A
(en )
DK27070C
(en )
1921-01-10
Roof construction for Hangars and similar transportable Buildings
CH75816A
(en )
1917-09-17
Sheathing for anchoring cables and anchoring rods for insulator beams placed on roofs
CH46805A
(en )
1910-04-16
Device for attaching the glass panels to glass roofs
CH75414A
(en )
1917-08-01
Equipment on roof trusses for automatic and constant ventilation of the same
CH73993A
(en )
1917-05-16
Device for storm-proof roofing of the roof tiles
CH68288A
(en )
1915-03-01
Roof tiles
FR497627A
(en )
1919-12-11
Building system
CH72599A
(en )
1916-06-02
Device for the storm-proof fastening of interlocking tiles
FR450023A
(en )
1913-03-13
Roof fastening strips
FR498034A
(en )
1919-12-24
Roof covering improvements
ES66039A1
(en )
1918-01-16
A tight fitting glass roof or skylight system.
CH39993A
(en )
1908-05-16
Device for fastening the glass panels on gutters on glass roofs
CH29925A
(en )
1904-10-15
Metal roof panel
FR485993A
(en )
1918-02-26
Rational building system
FR479686A
(en )
1916-04-27
Improvements made to mine roof supports
FI6791A
(en )
1917-10-04
Felt cement roof
CH25475A
(en )
1903-05-15
Roof truss