Enter assignee name

Trademarks = 5

Forward Citations = 681

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4 inventors (with patents filed for the assignee):

Donald H DeVaughn (7 out of 10 patents)

Donald H De Vaughn (6 out of 7 patents)

James C Smith (2 out of 38 patents)

4. Wolfgang Ott (1 out of 27 patents)

13 patents: Sort by Forward Citations

1. 6245559 - Handle for inoculating loop (2001-06-12),

2. 5843112 - Self-contained blood withdrawal apparatus and method (1998-12-01),

3. 5770160 - Positive displacement liquid drawing and dispensing apparatus (1998-06-23),

4. 5662127 - Self-contained blood withdrawal apparatus and method (1997-09-02),

5. 5580529 - Aerosol and liquid transfer resistant pipette tip apparatus (1996-12-03),

6. 5330899 - Calibrated inoculation assembly and method of preserving sterility (1994-07-19),

7. 5260030 - Calibrated pipette tip and method (1993-11-09),

8. D289379 - Closure cap (1987-04-21),

9. 4542833 - Stretchable cap for sealing and/or resealing blood drawing tubes and the (1985-09-24),

10. D274652 - Pipette tip (1984-07-10),

11. D274651 - Pipette tip (1984-07-10),

12. D256052 - Pipette tip (1980-07-22),

13. D255601 - Pipette tip (1980-06-24),

Bio-plas, Inc. is a leading manufacturer of high-quality plastic labware and laboratory supplies. With over 30 years of experience in the industry, we provide a wide range of products including pipette tips, microcentrifuge tubes, and PCR products. Our commitment to excellence in research and development ensures that we deliver innovative solutions to meet the needs of our customers in the scientific community. Visit our website for more information on our products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

13 Patents

#348 in San Francisco, CA

#5,475 in California

#23,110 in US

#43,638 in the World

San Francisco, CA, United States of America

Bio-plas, Inc.

Forward Citations = 681

4 inventors:

Donald H DeVaughn (7 out of 10 patents)

Donald H De Vaughn (6 out of 7 patents)

James C Smith (2 out of 38 patents)

4. Wolfgang Ott (1 out of 27 patents)

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