Assignee
JOHNSTON LAB INC
9 granted patents·325 citations·filing 1971–1978
Top patents by PatentIndex Score
9 records- 0193US4182656AMethod for detecting the presence of biologically active agents utilizing 13 C-labeled substratesJOHNSTON LAB INC·Filed 1976·Granted Jan 8, 1980·59 cites·14 claims
- 0293US4152213AVacuum detection of bacteriaJOHNSTON LAB INC·Filed 1977·Granted May 1, 1979·61 cites·35 claims
- 0393US3935073AMethod for detecting bacteriaJOHNSTON LAB INC·Filed 1971·Granted Jan 27, 1976·47 cites·9 claims
- 0490US4220715AApparatus for and method of detection of significant bacteriuria in urine samples through measurement of head space gas oxygen consumption in a closed-vial systemJOHNSTON LAB INC·Filed 1978·Granted Sep 2, 1980·41 cites·28 claims
- 0589US4073691AMethod for detecting the presence of biologically active agentsJOHNSTON LAB INC·Filed 1976·Granted Feb 14, 1978·60 cites·15 claims
- 0688US3997404AMethod and apparatus for characterizing biologically active agentsJOHNSTON LAB INC·Filed 1975·Granted Dec 14, 1976·33 cites·47 claims
- 0771US3944471AMethod and apparatus for detecting biological activityJOHNSTON LAB INC·Filed 1974·Granted Mar 16, 1976·13 cites·34 claims
- 0862US4073694AMicrobiological assay of aminoglycoside antibioticsJOHNSTON LAB INC·Filed 1976·Granted Feb 14, 1978·11 cites·9 claims
- 099US3948729AAssay of gentamicin in bloodJOHNSTON LAB INC·Filed 1974·Granted Apr 6, 1976·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when JOHNSTON LAB INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →