|
US3518164A
|
Diagnostic sputum collection system |
Expired / Lapsed
|
1967-04-11 |
1970-06-30 |
0 |
Details
|
|
US3483089A
|
Anaerobe jar closure assembly |
Expired / Lapsed
|
1966-05-31 |
1969-12-09 |
0 |
Details
|
|
US3203870A
|
Microorganism sampling device |
Expired / Lapsed
|
1962-07-23 |
1965-08-31 |
2 |
Details
|
|
US3118448A
|
Hypodermic assembly |
Expired / Lapsed
|
1962-01-08 |
1964-01-21 |
2 |
Details
|