| 4970773 |
Method of and apparatus for locating operational surfaces on a track electromagnetically levitated vehicles |
Karl H. Lonnecke, Herbert Schambeck |
1990-11-20 |
| 4909474 |
Apparatus for locating operational surfaces on a track for electromagnetically levitated vehicles |
Walter Lippert, Lorenz Maier |
1990-03-20 |
| 4905359 |
Apparatus for forming slide surfaces on track for electromagnetically levitated vehicles |
Lorenz Maier, Harald Neumann, Karl H. Lonnecke |
1990-03-06 |
| 4856173 |
Method of the formation of slide surfaces on a track for electromagnetically levitated vehicles |
Lorenz Maier, Harald Neumann, Karl H. Lonnecke |
1989-08-15 |
| 4854028 |
Method of locating operational surfaces of a track for electromagnetically levitated vehicles |
Walter Lippert, Lorenz Maier |
1989-08-08 |
| 4624440 |
Adjustable formwork for concrete structures |
— |
1986-11-25 |
| 4478773 |
Scaffolding girder for constructing multiple-span bridge structures movable from one bridge to another |
Karl-Hermann Mischlau |
1984-10-23 |