CH74389A
(en )
1917-07-02
Line connection to spark plugs of explosion engines
CH74388A
(en )
1917-07-02
Spark plug from explosion engines
CH58995A
(en )
1913-04-16
Explosion engine
CH54745A
(en )
1912-06-17
Spark plug for explosion engines
CH78464A
(en )
1918-12-16
High voltage distributor for the ignition of multi-cylinder explosion engines
CH71504A
(en )
1916-01-17
Spark plug for explosion engines
CH78325A
(en )
1918-07-01
Spark plug for explosion engines
FR524065A
(en )
1921-08-30
central electrode for spark plugs of internal combustion engines
CH78586A
(en )
1919-01-02
spark plug
CH77436A
(en )
1918-09-02
Waterproof protective housing for ignition devices of internal combustion engines
CH56215A
(en )
1912-10-16
Device for the electrical ignition of internal combustion engines
CH77688A
(en )
1918-10-01
Electric spark plugs for explosion engines
FR485895A
(en )
1918-02-15
Engine spark plugs
CH77433A
(en )
1918-08-16
Two-stroke explosion engine
CH79394A
(en )
1918-11-01
Four-stroke explosion engine
DK28888C
(en )
1921-12-05
Procedure for the manufacture of spark plugs for internal combustion engines.
CA169133A
(en )
1916-04-25
Ignition of internal combustion engines
CH79101A
(en )
1918-10-01
Electric spark plugs for explosion engines
FR24103E
(en )
1922-02-24
Spark plug of spark ignition engine
FR527157A
(en )
1921-10-21
Spark plug of spark ignition engine
CH77844A
(en )
1918-06-01
Breaker for the electrical ignition of internal combustion engines
FR433031A
(en )
1911-12-22
Improvements made to the establishment of spark plug electrodes for internal combustion engines
CH82502A
(en )
1919-10-01
Adjustable breaker for ignition devices of internal combustion engines
CH75810A
(en )
1917-09-17
Internal combustion engine
CH55092A
(en )
1912-07-16
Internal combustion engine