Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8726805 | Letterpress printing machine | Manfred Stohr, Volkmar Rolf Schwitzky, Johannes Georg Schaede | 2014-05-20 |
| 4607064 | Polyurethane and urethane-modified isocyanurate foams and a polyol composition useful in their preparation | Jelle D. Boer, Johan Theon | 1986-08-19 |