Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| D948600 | Spectacle hinge | Ulrik Caspersen, Henrik Lindberg, Kirsten Møller Nielsen, Charlotte Warming, Anja Fazlic Bahr +1 more | 2022-04-12 | |
| 11143883 | Spectacles with interchangeable lenses | Henrik Lindberg, Hans Boye-Nielsen, Lars Bøjvad, Ulrik Caspersen | 2021-10-12 | |
| 5468262 | Thermal stability additives for jet fuels | William P. Acker, Robert T. Hahn, Rodney L. Sung | 1995-11-21 | $21,070,000 |
| 5135996 | Process of making copolymers for viscosity index improvers | Munmaya K. Mishra, Isaac D. Rubin | 1992-08-04 | $15,181,000 |