Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361406 | Apparatus for mixing salvaged asphalt material | John Selberg, Rudolf W. Rapmund | 1982-11-30 |
| 4221574 | Apparatus for removing particulates from the exhaust gases generated in drum mixers and aggregate dryers | Jerry Kraim | 1980-09-09 |