Gutmann; Walter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gutmann; Walter.The latest application filed is for "programmable electronic-mechanical reversing flat key interactively communicatable with data processing means".
- Gutmann; Walter - Wetzikon CH
- Gutmann; Walter - Lochhofen DE
- Gutmann; Walter - Fribourg CH
| Patent | Date |
|---|---|
| Programmable electronic-mechanical reversing flat key interactively communicatable with data processing means Grant 4,686,358 - Seckinger , et al. August 11, 1 | 1987-08-11 |
| Lock cylinder with integrated electromagnetic locking system Grant 4,603,564 - Kleinhany , et al. August 5, 1 | 1986-08-05 |
| Recording device Grant 4,107,687 - Pfeifer , et al. August 15, 1 | 1978-08-15 |
| Recorder Grant 4,096,486 - Pfeifer , et al. June 20, 1 | 1978-06-20 |
| Method and apparatus for producing successive lines of image points on a recording medium Grant 4,090,206 - Pfeifer , et al. May 16, 1 | 1978-05-16 |
| Emulsion polymerization of vinyl chloride, and a copolymer of .alpha.-methyl styrene and acrylic acid ester Grant 3,891,723 - Nicolet , et al. June 24, 1 | 1975-06-24 |
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