|
DE3421056A1
|
JAW IMPLANT FOR THE ADMISSION OF A DENTAL SPARE CARRIER |
Expired / Lapsed
|
1984-06-06 |
— |
0 |
Details
|
|
US4468200A
|
Helical mandibular implant |
Expired / Lapsed
|
1983-11-07 |
1984-08-28 |
5 |
Details
|
|
US4375824A
|
Valve assembly with silencer |
Expired / Lapsed
|
1980-06-04 |
1983-03-08 |
16 |
Details
|
|
US2904840A
|
Process for puffing hydrophobic nylon type fibers by swelli… |
Expired / Lapsed
|
1955-08-11 |
1959-09-22 |
2 |
Details
|