Assignee
SPEX IND INC
US·5 granted patents·105 citations·filing 1975–1991
Top patents by PatentIndex Score
5 records- 0174US5192981ACzerny-Turner monochromatorSPEX IND INC·Filed 1990·Granted Mar 9, 1993·52 cites·7 claims
- 0249US3997296APrimary standardsSPEX IND INC·Filed 1975·Granted Dec 14, 1976·15 cites·15 claims
- 0347US4346299ACell for containing fluid to be analyzed by x-ray spectroscopySPEX IND INC·Filed 1981·Granted Aug 24, 1982·16 cites·4 claims
- 0443US5198241AApparatus for preparation of samples for spectrographic analysisSPEX IND INC·Filed 1991·Granted Mar 30, 1993·9 cites·6 claims
- 0540US5235184AHighly stable low noise CCD spectrographSPEX IND INC·Filed 1991·Granted Aug 10, 1993·13 cites·27 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →