| 7303295 |
Rear view mirror assembly and system |
— |
2007-12-04 |
| 4854611 |
Fail-safe bellows assembly |
— |
1989-08-08 |
| 4819965 |
Fail-safe bellows assembly with floating guard |
Helm A. Rink |
1989-04-11 |
| 4681349 |
Plastic lined welded metal component and method of manufacture |
John Krieg |
1987-07-21 |
| 4643457 |
Joint for plastic lined metal piping with reduced diameter pipe lap |
— |
1987-02-17 |
| 4548427 |
Strain accommodating fluid conduit assembly and fitting therefor |
Charles S. Lane |
1985-10-22 |
| 4537425 |
High integrity flange connection arrangement |
Harvey R. Nickerson, Helm A. Rink |
1985-08-27 |
| 4522432 |
Components for lined piping system with anchored liners and method of manufacture |
— |
1985-06-11 |
| 4494776 |
Joint for plastic lined light-weight metal piping |
— |
1985-01-22 |
| 4296804 |
Corrosion resistant heat exchanger element and method of manufacture |
Harvey R. Nickerson, Helm A. Rink |
1981-10-27 |
| 4293150 |
Fluid conduit assembly |
— |
1981-10-06 |
| 4289340 |
Mechanically attached end fitting with insert for metal tubing |
Harvey R. Nickerson |
1981-09-15 |
| 4288105 |
Pipe union with both pre-load dependent and independent seals |
— |
1981-09-08 |
| 4193180 |
Method of forming a heat exchanger |
— |
1980-03-18 |