Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309203 | Process for manufacturing boron nitride fiber batts using a spinner | Gordon R. Rignel | 1982-01-05 |
| 4309244 | Process for manufacturing boron nitride fiber mats | Gordon R. Rignel | 1982-01-05 |
| 4309245 | Process for manufacturing boron nitride fiber felt using a Fourdrinier machine | Gordon R. Rignel | 1982-01-05 |
| 4309248 | Process for manufacturing boron nitride fiber mats using calender rolls | Gordon R. Rignel | 1982-01-05 |