Luedtke; Arthur
Patent Applications and Registrations
Patent applications and USPTO patent grants for Luedtke; Arthur.The latest application filed is for "perforated, stable, water soluble film container for detersive compositions".
- Luedtke; Arthur - Woodbury MN
- Luedtke; Arthur - Marietta GA
| Patent | Date |
|---|---|
| Perforated, stable, water soluble film container for detersive compositions Grant 5,534,178 - Bailly , et al. July 9, 1 | 1996-07-09 |
| VHF Directional receiver Grant 4,410,890 - Davis , et al. October 18, 1 | 1983-10-18 |
| Directional annular slot antenna Grant D260,895 - Luedtke , et al. September 22, 1 | 1981-09-22 |
| Nondisruptive ADF system Grant 4,263,597 - Bentley , et al. April 21, 1 | 1981-04-21 |
| Directional annular slot antenna Grant 4,229,744 - Luedtke , et al. October 21, 1 | 1980-10-21 |
| Rear window direction finding antenna Grant 4,091,386 - Luedtke , et al. May 23, 1 | 1978-05-23 |
| Adjustable yagi antenna Grant 4,028,709 - Berkowitz , et al. June 7, 1 | 1977-06-07 |
| Antenna system for deriving cardiod patterns Grant 4,007,461 - Luedtke , et al. February 8, 1 | 1977-02-08 |
| Rear window direction finding antenna Grant 4,003,057 - Luedtke , et al. January 11, 1 | 1977-01-11 |
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