Envar Services, Inc.
2Patents
0Active
2Granted
24Portfolio score
Filing activity: Feb 25, 1991 → Feb 18, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5304710A | Method of detoxification and stabilization of soils contaminated with chromium ore waste | Human Necessities | 38 | Expired |
| US5158686A | Impurity removal process and apparatus | Emerging Cross-Sectional Technologies | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.