|
US2998269A
|
Plastic pipe coupling having an adhesive coated wedge ring |
Expired / Lapsed
|
1958-10-30 |
1961-08-29 |
0 |
Details
|
|
US2785910A
|
Molded joint for plastic tubes with latch |
Expired / Lapsed
|
1955-05-05 |
1957-03-19 |
0 |
Details
|
|
US2516242A
|
Method of lining pipes and other structures with plastic sh… |
Expired / Lapsed
|
1944-12-11 |
1950-07-25 |
2 |
Details
|