Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385591 | Play structure | David Hartman, Michael J. White, Jr. | 1997-10-28 |
| D377813 | Playhouse | David Hartman, Michael J. White, Jr. | 1997-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385591 | Play structure | David Hartman, Michael J. White, Jr. | 1997-10-28 |
| D377813 | Playhouse | David Hartman, Michael J. White, Jr. | 1997-02-04 |