CH78861A
(en )
1918-09-02
Self-seller for electricity, gas, etc. with facility for charging a basic fee
CH80026A
(en )
1919-02-01
Self-seller for electricity, gas, water, etc. with facility for charging a basic fee
ES63016A1
(en )
1916-10-16
Gasoline consumption meter for cars.
ES65993A1
(en )
1918-01-16
Energy meter for alternating electric current.
ES64941A1
(en )
1917-08-01
A frame for electricity meters, especially for induction meters.
ES62710A1
(en )
1916-08-16
A chronometric counter for alternating current.
DK20167C
(en )
1915-05-17
Automatic electricity meter.
CH80027A
(en )
1919-02-01
Self-seller for electricity, gas, water, etc.
ES54073A1
(en )
1912-12-16
A hydroelectric meter.
ES57970A1
(en )
1914-05-16
A new gas meter.
ES60071A1
(en )
1915-05-01
A new electrical energy production system.
DK24350C
(en )
1919-04-07
Vending machine for Electricity, Gas, Water or similar with Apparatus for charging a Basic amount.
ES66646A1
(en )
1918-04-16
A new pocket electric lamp device with mechanical electricity generator.
ES52765A3
(en )
1912-07-01
Improvements in electricity meters.
ES55473A1
(en )
1913-06-16
An induction meter for alternating current.
ES62135A1
(en )
1916-05-16
A perfected automatic lighter with a gasoline tank.
CH73191A
(en )
1916-09-01
Novel device for suspenders, suspenders, etc.
ES59894A1
(en )
1915-04-01
A consumption meter with automatic collection.
ES65691A1
(en )
1917-12-01
A cock generator combined with a gas generator.
CH62531A
(en )
1913-12-01
Gas generator with device for sub-loading
CH56244A
(en )
1912-10-16
Self-sellers for electricity, gas or the like
ES65083A1
(en )
1917-09-01
A new gas generator.
CH76622A
(en )
1918-01-16
Establishment of self-sellers for electricity, gas, water or the like
DK23697C
(en )
1918-11-04
Vending machine for Electricity, Gas or similar with a Device for Collecting a Basic Amount.
ES68167A1
(en )
1918-12-01
A new generator gas generator.