Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5493086 | Monitoring and regulating device for a fluid such as engine oil | Frank W. Murphy, Jr., Eric Miller, David Nunneley | 1996-02-20 |
| 4975687 | Hall effect signalling gauge | Frank W. Murphy, Jr., James R. Francisco, Troy Teague | 1990-12-04 |