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Forward Citations = 188

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6 inventors (with patents filed for the assignee):

John R Waters (6 out of 9 patents)

Joseph E Ahnell (4 out of 7 patents)

Rodney L Broman (3 out of 3 patents)

4. Gardner Middlebrook (1 out of 1 patent)

5. W D Tigertt (1 out of 1 patent)

6. Dennis Buda (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 4220715 - Apparatus for and method of detection of significant bacteriuria in (1980-09-02),

2. 4182656 - Method for detecting the presence of biologically active agents (1980-01-08),

3. 4152213 - Vacuum detection of bacteria (1979-05-01),

4. 4073694 - Microbiological assay of aminoglycoside antibiotics (1978-02-14),

5. 4073691 - Method for detecting the presence of biologically active agents (1978-02-14),

6. 3997404 - Method and apparatus for characterizing biologically active agents (1976-12-14),

7. 3948729 - Assay of gentamicin in blood (1976-04-06),

8. 3944471 - Method and apparatus for detecting biological activity (1976-03-16),

9. 3935073 - Method for detecting bacteria (1976-01-27),

Johnston Laboratories, Inc. is a leading provider of pharmaceutical products and solutions. With a focus on research and development, we strive to deliver innovative and high-quality medications to improve patient outcomes. Our team of experts is dedicated to advancing healthcare through cutting-edge technologies and personalized medicine. Visit our website to learn more about our products and services.

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USPTO Data Jan 1 1976 - Dec 23 2025

9 Patents

#3 in Cockeysville, MD

#435 in Maryland

#31,620 in US

Cockeysville, MD, United States of America

Johnston Laboratories, Inc.