|
US3480786A
|
Flaw detecting system including synchronously rotating opti… |
Expired / Lapsed
|
1966-01-13 |
1969-11-25 |
0 |
Details
|
|
US3449154A
|
Poly-alpha-olefins coated with lactams or lactones and meth… |
Expired / Lapsed
|
1965-09-07 |
1969-06-10 |
0 |
Details
|
|
US3401005A
|
Germicidal material produced by modifying textile fibers wi… |
Expired / Lapsed
|
1965-10-22 |
1968-09-10 |
2 |
Details
|