Inventor · disambiguated record
Harold I. Ewen
Also filed as: EWEN HAROLD I
3 granted patents·86 citations·filing 1975–1975
74Inventor score
Technology areasG01S
Files withUS TRANSPORT3
Top patents by PatentIndex Score
3 records- 0183US3946385AInterferometric navigation and guidance systemUS TRANSPORT·Filed 1975·Granted Mar 23, 1976·47 cites·6 claims
- 0269US4041494ADistance measuring method and apparatusUS TRANSPORT·Filed 1975·Granted Aug 9, 1977·26 cites·9 claims
- 0351US3975736ARadio theodolite angle measuring apparatusUS TRANSPORT·Filed 1975·Granted Aug 17, 1976·13 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →