Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6848735 | Stepwell cover apparatus | Devon L. Herr, Lawrence A. Kirschbaum | 2005-02-01 | $4,740,000 |
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Skip to contentShowing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6848735 | Stepwell cover apparatus | Devon L. Herr, Lawrence A. Kirschbaum | 2005-02-01 | $4,740,000 |