Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803954 | Crawling insect-proof pet bowl apparatus and method | Harland A. Welch, Don Livingston | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803954 | Crawling insect-proof pet bowl apparatus and method | Harland A. Welch, Don Livingston | 1989-02-14 |