|
US2252821A
|
Multicolored laminated resin product |
Expired / Lapsed
|
1938-08-17 |
1941-08-19 |
0 |
Details
|
|
US2227212A
|
Laminated material and method of manufacture |
Expired / Lapsed
|
1938-07-23 |
1940-12-31 |
0 |
Details
|
|
US2223394A
|
Billiard ball and method of manufacture |
Expired / Lapsed
|
1938-09-03 |
1940-12-03 |
0 |
Details
|