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United States Utility Patents
4,983,290 - 4,983,299
Previous 10 Next 10
| Number | | Title |
|
4,983,290 |
|
Slit-tube filter |
|
4,983,291 |
|
Dry high flux semipermeable membranes |
|
4,983,292 |
|
Seamless filter bag and method of its manufacture |
|
4,983,293 |
|
Semipermeable membrane and process for preparing same |
|
4,983,294 |
|
Separator |
|
4,983,295 |
|
Separator |
|
4,983,296 |
|
Partial oxidation of sewage sludge |
|
4,983,297 |
|
Waste water treating process scheme |
|
4,983,298 |
|
Process for the disinfection and aerobic stabilization of sewage sludge |
|
4,983,299 |
|
Removal of phenols from waste water by a fixed bed reactor |
For U.S. patent law, rules, and procedures see MPEP.
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