Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282259 | Process for preparing an extract of hops | Alfred G. Wheldon | 1981-08-04 |
| 4278012 | Plant for the extraction of hops by extraction with liquid carbon dioxide | Alfred G. Wheldon | 1981-07-14 |