Inventor · disambiguated record
Patrick M. Frank
Also filed as: FRANK PATRICK M
7 granted patents·104 citations·filing 1989–1995
87Inventor score
Files withHELENA LAB CORP7
Top patents by PatentIndex Score
7 records- 0172US5589063AColumn analyzer system and improved chromatograph column for use in the systemHELENA LAB CORP·Filed 1995·Granted Dec 31, 1996·26 cites·24 claims
- 0265US5228988AColumn analyzer system and improved chromatograph column for use in the systemHELENA LAB CORP·Filed 1991·Granted Jul 20, 1993·29 cites·6 claims
- 0356US5358641AColumn analyzer system and improved chromatograph column for use in the systemHELENA LAB CORP·Filed 1993·Granted Oct 25, 1994·13 cites·14 claims
- 0456US5045208AColumn analyzer systemHELENA LAB CORP·Filed 1989·Granted Sep 3, 1991·11 cites·19 claims
- 0555US5441645AColumn analyzer system and improved chromatograph column for use in the systemHELENA LAB CORP·Filed 1994·Granted Aug 15, 1995·12 cites·8 claims
- 0652US5595664AColumn analyzer system and improved chromatograph column for use in the systemHELENA LAB CORP·Filed 1995·Granted Jan 21, 1997·11 cites·18 claims
- 0726US5207918AColumn analyzer systemHELENA LAB CORP·Filed 1991·Granted May 4, 1993·2 cites·19 claims
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