|
US4509150A
|
Linear prediction coding for compressing of seismic data |
Expired / Lapsed
|
1983-03-23 |
1985-04-02 |
13 |
Details
|
|
US3421367A
|
Compression testing method and apparatus |
Expired / Lapsed
|
1966-07-05 |
1969-01-14 |
0 |
Details
|
|
US3331848A
|
Microbial oxygenated fuel cell |
Expired / Lapsed
|
1962-07-11 |
1967-07-18 |
2 |
Details
|
|
US3295099A
|
Feedback inverse filters |
Expired / Lapsed
|
1964-01-09 |
1966-12-27 |
2 |
Details
|