|
US4124023A
|
Non-invasive nuclear device for communicating pressure insi… |
Expired / Lapsed
|
1975-07-03 |
1978-11-07 |
27 |
Details
|
|
US4027661A
|
Pressure sensor |
Expired / Lapsed
|
1974-07-16 |
1977-06-07 |
30 |
Details
|
|
US4022190A
|
Apparatus for sensing pressure |
Expired / Lapsed
|
1974-07-16 |
1977-05-10 |
20 |
Details
|
|
US4006735A
|
Pressure sensor apparatus |
Expired / Lapsed
|
1974-07-16 |
1977-02-08 |
11 |
Details
|