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Trademarks = 1

Forward Citations = 171

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9 inventors (with patents filed for the assignee):

Robert S Meijer (5 out of 14 patents)

Daniel Steven Kline (2 out of 66 patents)

Ann L Nelson (1 out of 2 patents)

4. John P Frain (1 out of 1 patent)

5. Raymond E Cannon (1 out of 4 patents)

6. Vance D Campbell, Jr (1 out of 1 patent)

7. Ralph E Nelson (1 out of 3 patents)

8. Evelyn J Bogner (1 out of 1 patent)

9. Paul M Bogner (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 5690242 - Sharps disposal container cap securement arrangement (1997-11-25),

2. 5656248 - Multi-stage infectious waste treatment system (1997-08-12),

3. 5425925 - Multi-stage infectious waste treatment system (1995-06-20),

4. 5423775 - Locking connector assembly (1995-06-13),

5. 5360594 - Control system for medical waste disposal unit (1994-11-01),

6. 5269832 - Method and apparatus for continuously measuring the concentration of (1993-12-14),

7. 5190725 - Chemical treatment of an infectious waste (1993-03-02),

8. 4494652 - Container for sharps (1985-01-22),

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USPTO Data Jan 1 1976 - Dec 30 2025

8 Patents

#608 in San Diego, CA

#8,297 in California

#34,923 in US

San Diego, CA, United States of America

Winfield Industries