Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632950 | Method of making a light-sealing cap with feature for addition of materials | William H. Mullen, Edward J. Verdouw | 1997-05-27 |
| 5402905 | Light-sealing cap with feature for addition of materials | William H. Mullen, Edward J. Verdouw | 1995-04-04 |