Company Filing History:

8 out of 7,865

Minnesota Mining and Manufacturing Company

patents

8 out of 14,059

3m Innovative Properties Company

patents

Years Active: 1991-2009

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7493900 - Fibrous filtration face mask having a new unidirectional fluid valve (2009-02-24),

2. 7428903 - Fibrous filtration face mask having a new unidirectional fluid valve (2008-09-30),

3. 7311104 - Method of making a filtering face mask that has an exhalation valve (2007-12-25),

4. 7117868 - Fibrous filtration face mask having a new unidirectional fluid valve (2006-10-10),

5. 6854463 - Filtering face mask that has a new exhalation valve (2005-02-15),

6. 6843248 - Filtering face mask that has a new exhalation valve (2005-01-18),

7. 6148817 - Multi-part headband and respirator mask assembly and process for making (2000-11-21),

8. 6070579 - Elastomeric composite headband (2000-06-06),

9. 5724677 - Multi-part headband and respirator mask assembly and process for making (1998-03-10),

10. 5509436 - Unidirectional fluid valve (1996-04-23),

11. 5352513 - Oil, water and sweat repellent microporous membrane materials (1994-10-04),

12. 5325892 - Unidirectional fluid valve (1994-07-05),

13. 5260360 - Oil, water and sweat repellent microporous membrane materials (1993-11-09),

14. 5256466 - Article for liquid containment and recovery (1993-10-26),

15. 5237986 - Respirator harness assembly (1993-08-24),

Title: The Inventor Profile of Harold J Seppala

Introduction: Harold J Seppala is a renowned inventor based in Saint Paul, Minnesota. With a passion for innovation and problem-solving, he has made significant contributions to various fields through his inventive spirit.

Latest Patents: Harold J Seppala holds several patents in the areas of renewable energy technologies, sustainable agriculture practices, and advanced medical devices. His recent patents focus on enhancing efficiency and sustainability in everyday processes.

Career Highlights: Throughout his career, Harold J Seppala has been recognized for his groundbreaking inventions that have improved the quality of life for many. His dedication to creating solutions for complex challenges has led to numerous successful ventures.

Collaborations: Harold J Seppala has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work with multidisciplinary teams has resulted in innovative products that have made a positive impact on society.

Conclusion: In conclusion, Harold J Seppala's innovative spirit and commitment to pushing the boundaries of technology have established him as a prominent figure in the world of inventions. His contributions continue to inspire future generations of inventors to think creatively and strive for excellence in their work.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.