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Patent US2052016A successfully refreshed from Google Patents.
Kewanee Oil Co
Kewanee Oi
| Patent No. |
Title |
Status |
Filing Date |
Grant Date |
Claims |
Actions |
|
US3698392A
|
Topical dressing |
Expired / Lapsed
|
1971-04-21 |
1972-10-17 |
4 |
Details
|
|
US3620935A
|
Process of black chromium plating |
Expired / Lapsed
|
1969-11-24 |
1971-11-16 |
19 |
Details
|
|
US3531335A
|
Method of preparing films of controlled resistivity |
Expired / Lapsed
|
1966-05-09 |
1970-09-29 |
0 |
Details
|
|
US3373279A
|
Europium activated strontium iodide scintillators |
Expired / Lapsed
|
1965-01-29 |
1968-03-12 |
0 |
Details
|
|
US3320180A
|
Thermoluminescent doubly doped lif phosphor |
Expired / Lapsed
|
1963-11-07 |
1967-05-16 |
2 |
Details
|