Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624018 | Aluminum can recycling and coupon dispenser apparatus | Roy C. Burnett, Joseph R. Goetz | 1997-04-29 |
| 5624183 | Apparatus for metering and mixing aggregate and cement | — | 1997-04-29 |