Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429372 | Portable jig-saw puzzle work board | Laura H. Spaziani | 1995-07-04 |
| 4863711 | Process for preparing nodular pigmentary titanium dioxide | — | 1989-09-05 |
| 4759916 | Process for preparing a pigmentary titanium dioxide | — | 1988-07-26 |
| 4214971 | Electrode coating process | James J. Leddy | 1980-07-29 |