Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876890 | Moisture sensing apparatus and method | William C. Mercer, Peter K. Coughlin, Edith M. Flanigen | 1989-10-31 |
| 4860584 | Composite moisture sensing apparatus and method | William C. Mercer, Peter K. Coughlin, Edith M. Flanigen | 1989-08-29 |