Inventor · disambiguated record
Darrell L. Helms
Also filed as: HELMS DARRELL L
4 granted patents·119 citations·filing 1984–1997
79Inventor score
Technology areasH01Q
Files withE SYSTEMS INC4
Top patents by PatentIndex Score
4 records- 0175US5757324ALow profile antenna array for land-based, mobile radio frequency communication systemE SYSTEMS INC·Filed 1997·Granted May 26, 1998·63 cites·11 claims
- 0262US4786914AMeanderline polarization twisterE SYSTEMS INC·Filed 1985·Granted Nov 22, 1988·26 cites·13 claims
- 0352US4587525A180 degree dipole phase shifterE SYSTEMS INC·Filed 1984·Granted May 6, 1986·17 cites·16 claims
- 0441US5815119AIntegrated stacked patch antenna polarizer circularly polarized integrated stacked dual-band patch antennaE SYSTEMS INC·Filed 1996·Granted Sep 29, 1998·13 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →