|
US4642776A
|
Automobile route information display |
Expired / Lapsed
|
1984-07-03 |
1987-02-10 |
5 |
Details
|
|
US4451888A
|
Speed control method and apparatus for automotive vehicles |
Expired / Lapsed
|
1981-02-06 |
1984-05-29 |
6 |
Details
|
|
US4053749A
|
Distance meter for vehicle capable of displaying travelling… |
Expired / Lapsed
|
1976-03-31 |
1977-10-11 |
6 |
Details
|
|
US3943345A
|
Digital acceleration detecting system |
Expired / Lapsed
|
1974-07-16 |
1976-03-09 |
8 |
Details
|