Lehmann; Kjeld
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lehmann; Kjeld.The latest application filed is for "box for a frequency converter".
- Lehmann; Kjeld - Sonderborg DK
- Lehmann; Kjeld - Sondorborg DK
| Patent | Date |
|---|---|
| Box for a frequency converter Grant D403,301 - Lehmann , et al. December 29, 1 | 1998-12-29 |
| Casing for electrical equipment Grant D287,360 - Lehmann December 23, 1 | 1986-12-23 |
| Equipment box for a power converter arrangement Grant 4,525,769 - Lehmann June 25, 1 | 1985-06-25 |
| Housing for an electric circuit arrangement Grant 4,241,380 - Lehmann , et al. December 23, 1 | 1980-12-23 |
| Oil-cooled Electrical Apparatus Withdrawable From An Outer Casing For Inspection And Repairs Grant 3,858,090 - Lehmann December 31, 1 | 1974-12-31 |
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