Spall; John M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Spall; John M..The latest application filed is for "dual band bowtie/meander antenna".
- Spall; John M. - Bedford TX
- Spall; John M. - Raleigh NC
- Spall; John M. - Cary NC
| Patent | Date |
|---|---|
| Dual band bowtie/meander antenna Grant 6,417,816 - Sadler , et al. July 9, 2 | 2002-07-09 |
| Dual band bowtie/meander antenna App 20010011964 - Sadler, Robert A. ; et al. | 2001-08-09 |
| Retractable radiotelephone antennas with extended feeds Grant 6,097,934 - Spall , et al. August 1, 2 | 2000-08-01 |
| Dual band diversity antenna having parasitic radiating element Grant 6,040,803 - Spall March 21, 2 | 2000-03-21 |
| Dipole antenna configuration for mobile terminal Grant 6,011,519 - Sadler , et al. January 4, 2 | 2000-01-04 |
| Multiple frequency band antenna Grant 5,986,609 - Spall November 16, 1 | 1999-11-16 |
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