Individual holder
VALTCHEV KONSTANTIN L
3 granted patents·1 pending application·185 citations·filing 1975–2017
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0176US4022208AGynecologic instrumentVALTCHEV KONSTANTIN L·Filed 1975·Granted May 10, 1977·74 cites·11 claims
- 0269US4681123AChorion biopsy instrumentVALTCHEV KONSTANTIN L·Filed 1986·Granted Jul 21, 1987·96 cites·4 claims
- 0346US2017314771A1Ceiling-mounted electric fixture installation toolsVALTCHEV KONSTANTIN L·Filed 2017·Application pending·0 cites
- 0432US5100382ASingle channel balloon uterine injectorVALTCHEV KONSTANTIN L·Filed 1988·Granted Mar 31, 1992·15 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →