Company Filing History:

4 out of 275

E-systems, Inc.

patents

Years Active: 1986-1998

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5815119 - Integrated stacked patch antenna polarizer circularly polarized (1998-09-29),

2. 5757324 - Low profile antenna array for land-based, mobile radio frequency (1998-05-26),

3. 4786914 - Meanderline polarization twister (1988-11-22),

4. 4587525 - 180 degree dipole phase shifter (1986-05-06),

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For the Inventor, By the Inventor

Darrell L Helms

Location History:

Company Filing History:

Years Active: 1986-1998