Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867929 | Process for forming a flange on a hollow body of thermoplastic material | Peter Albrecht, Adolf Appel, Karl-Heinz Balkau, Claus Horwege, Wolfgang Reymann +2 more | 1989-09-19 |
| 4847032 | Process for producing hollow bodies from thermoplastic material | Peter Albrecht, Adolf Appel, Karl-Heinz Balkau, Edward Clar, Claus Horwege +2 more | 1989-07-11 |