Patent US2631402A successfully refreshed from Google Patents.
Patent US2662002A successfully refreshed from Google Patents.
WATSON STILLMAN CO
WATSON STI
| Patent No. |
Title |
Status |
Filing Date |
Grant Date |
Claims |
Actions |
|
US2444339A
|
Molding machine |
Expired / Lapsed
|
1944-05-24 |
1948-06-29 |
0 |
Details
|
|
US2244842A
|
Injection molding machine |
Expired / Lapsed
|
1939-01-28 |
1941-06-10 |
0 |
Details
|
|
US2244420A
|
Control system for hydraulic presses |
Expired / Lapsed
|
1938-04-21 |
1941-06-03 |
0 |
Details
|
|
US2227263A
|
Injection molding device |
Expired / Lapsed
|
1938-04-20 |
1940-12-31 |
0 |
Details
|
|
US2204270A
|
Surge valve for hydraulic presses |
Expired / Lapsed
|
1938-04-29 |
1940-06-11 |
0 |
Details
|
|
US2188076A
|
Extrusion press |
Expired / Lapsed
|
1938-09-19 |
1940-01-23 |
0 |
Details
|