Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D498146 | Combined adhesive dispensing bottle and cap | Herbert Densky, Rolf Lier | 2004-11-09 |
| D338159 | Combined dispensing bottle for adhesive and cap | Herbert Densky, Rolf Lier | 1993-08-10 |
| 4358993 | Apparatus for thermally treating a layer of material | by Emilie Spillmann, heir, by Irene Scheffre nee Spillmann, heir, by Rolf Spillmann, heir, Rolf Lehmann | 1982-11-16 |
| 4246668 | Treatment of a web of material | Rolf Lehmann | 1981-01-27 |