Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349590 | Glass substrates with an insolubilized asphalt coating | Charles E. Bolen, Alfred Marzocchi, Michael G. Roberts | 1982-09-14 |
| 4338231 | Modified asphalt compositions | Alfred Marzocchi, Charles E. Bolen, Michael G. Roberts | 1982-07-06 |
| 4332704 | Modified asphalt compositions | Alfred Marzocchi, Michael G. Roberts, Charles E. Bolen | 1982-06-01 |