CH48890A
(en )
1910-12-16
Electrical conductor fastening device for spark plugs of internal combustion engines
FR403622A
(en )
1909-11-10
Socket device on spark plugs for internal combustion engines
FR403560A
(en )
1909-11-08
Electric ignition device for internal combustion engines
FR411172A
(en )
1910-06-09
Further development of electric spark plugs for internal combustion engines
FR13830E
(en )
1911-07-13
Spark plug socket device for internal combustion engines
FR390481A
(en )
1908-10-06
Electric spark plug for internal combustion engines
FR373161A
(en )
1907-05-04
Electric ignition device for internal combustion engines
FR401724A
(en )
1909-09-13
Electric spark plug for internal combustion engines
FR416384A
(en )
1910-10-18
Spark plugs for internal combustion engines
FR416209A
(en )
1910-10-14
Spark plugs for internal combustion engines
FR11938E
(en )
1910-06-04
Socket device on spark plugs for internal combustion engines
FR432935A
(en )
1911-12-20
Spark plug for internal combustion engines
FR14537E
(en )
1911-12-30
Improvements to electric spark plugs for internal combustion engines
FR423472A
(en )
1911-04-19
Improvements to electric spark plugs for internal combustion engines
FR13674E
(en )
1911-05-24
Improvements to electric spark plugs for internal combustion engines
FR428089A
(en )
1911-08-22
Electric ignition device for internal combustion engines
FR323549A
(en )
1903-03-09
Advanced electric spark plug for internal combustion engines
FR398529A
(en )
1909-06-07
Spark plugs for internal combustion engines
FR419929A
(en )
1911-01-18
Spark plugs for internal combustion engines
FR363251A
(en )
1906-07-25
Electric ignition device for internal combustion engines
FR22277E
(en )
1921-05-25
Electric spark plug system for internal combustion engines
FR420486A
(en )
1911-01-31
Spark plug for internal combustion engines
FR409375A
(en )
1910-04-21
Arrangement of spark plugs on cylinders of internal combustion engines
FR427926A
(en )
1911-08-17
Spark plugs for internal combustion engines
FR423947A
(en )
1911-05-01
Spark plugs for internal combustion engines