Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388192 | Pylon | Ian Alistair Ritchie, Kathryn Jean Gustafson | 1997-12-23 |
| D387436 | Pylon | Ian Alistair Ritchie, Kathryn Jean Gustafson | 1997-12-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388192 | Pylon | Ian Alistair Ritchie, Kathryn Jean Gustafson | 1997-12-23 |
| D387436 | Pylon | Ian Alistair Ritchie, Kathryn Jean Gustafson | 1997-12-09 |