Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878178 | Device for guiding away water, dust and the like | Eberhard Storz | 2005-04-12 |
| 4573952 | Tensioning device with a control mechanism for the tension of a belt | — | 1986-03-04 |
| 4518749 | Epoxy resin curatives | Harold G. Waddill | 1985-05-21 |
| 4452186 | Valve control for internal combustion engines | Rainer List, Klaus Schellmann | 1984-06-05 |
| 4396265 | Monocular reflex camera having reflex mirror stop adjustment | Herbert Welzel, Lothar Reschke | 1983-08-02 |
| 4383054 | Hydrophilic high polymers prepared from aqueous solutions or dispersions of polyoxypropylene polyamine N-N'-polymethylene sulfonates | Harold G. Waddill | 1983-05-10 |
| 4332720 | N,N'-Polyoxyalkylene bis(lactam carboxylic acids) | Robert L. Zimmerman, Harold G. Waddill | 1982-06-01 |
| 4326050 | Process and product | Robert L. Zimmerman, Harold G. Waddill | 1982-04-20 |
| 4315079 | Process of making an isocyanurate foam | Robert L. Zimmerman, Harold G. Waddill | 1982-02-09 |
| 4304889 | Solvent resistant epoxy coatings | Harold G. Waddill | 1981-12-08 |
| 4304690 | Compounds from aminated alkoxylated aliphatic alcohol | Robert L. Zimmerman, Carter G. Naylor | 1981-12-08 |
| 4298708 | Aminated alkoxylated aliphatic alcohol salts as polyisocyanurate catalysts | Robert L. Zimmerman, Carter G. Naylor | 1981-11-03 |
| 4241709 | Device for adjusting the ignition time in internal combustion engines | Klaus Schellmann | 1980-12-30 |
| 4235811 | Compounds from aminated alkoxylated aliphatic alcohol | Robert L. Zimmerman, Carter G. Naylor | 1980-11-25 |
| 4219638 | Polyether diureide epoxy additives | Harold G. Waddill | 1980-08-26 |
| 4191464 | Blade type focal plane shutters | — | 1980-03-04 |