For the Inventor, By the Inventor

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York, PA, United States of America

P.h. Glatfelter Company

USPTO Granted Patents = 28

EPO Patents = 1

Trademarks = 43

Forward Citations = 453

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28 inventors (with patents filed for the assignee):

William F Owens, Jr (8 out of 18 patents)

Richard H Martin (3 out of 3 patents)

W Michael Reed (3 out of 3 patents)

4. William N Justice (2 out of 3 patents)

5. Thomas W Ballinger (2 out of 2 patents)

6. Robert A Olson (2 out of 2 patents)

7. Ajit S Dixit (2 out of 3 patents)

8. Elwood W Cooper, Iii (2 out of 2 patents)

9. Melvin Glenn Mitchell (1 out of 58 patents)

10. John W Stolarz, Jr (1 out of 3 patents)

11. James Gregory Lovensheimer (1 out of 1 patent)

12. Debabrata Mukherjee (1 out of 1 patent)

13. Jeffrey E Gleim (1 out of 1 patent)

14. Daniel L Krueger (1 out of 1 patent)

15. Donald E Golden (1 out of 1 patent)

28 patents: Sort by Forward Citations

1. 9221989 - Tamper evident documents and inks (2015-12-29),

2. 9133583 - Process for making a stiffened paper (2015-09-15),

3. 8496784 - Process for making a stiffened paper (2013-07-30),

4. 7981818 - Battery separator structures (2011-07-19),

5. 6951671 - Ink jet printable heat transfer paper (2005-10-04),

6. 5770012 - Process for treating paper machine stock containing bleached hardwood (1998-06-23),

7. 5725732 - Process for treating hardwood pulp with an enzyme mixture to reduce (1998-03-10),

8. 5364610 - Process for preparation of high opacity precipitated calcium carbonate (1994-11-15),

9. 5298335 - Method for making coated paper and a paper coating composition (1994-03-29),

10. 5253660 - Reduced sidestream smoke smoking article wrappers, methods of making (1993-10-19),

11. 5247950 - Control of static burning rate by use of binary burnign chemical (1993-09-28),

12. 5243408 - Method and apparatus for detecting web discontinuities (1993-09-07),

13. 5229212 - Silicone release coated substrate (1993-07-20),

14. 5228464 - Wrapper for smoking article, smoking article, and method of making same, (1993-07-20),

15. 5161550 - Wrappers for smoking articles, methods of making such wrappers and (1992-11-10),

P.h. Glatfelter Company is a global supplier of specialty papers and engineered materials, serving the beverage, food, healthcare, postal, and other industries. With a focus on innovation and sustainability, Glatfelter offers a wide range of products including natural and synthetic fibers, specialty chemicals, and advanced airlaid materials. Their commitment to quality and customer satisfaction has made them a trusted partner in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

28 Patents

#5 in York, PA

#440 in Pennsylvania

#11,597 in US

#22,547 in the World

York, PA, United States of America

P.h. Glatfelter Company

Forward Citations = 453

28 inventors:

William F Owens, Jr (8 out of 18 patents)

Richard H Martin (3 out of 3 patents)

W Michael Reed (3 out of 3 patents)

4. William N Justice (2 out of 3 patents)

5. Thomas W Ballinger (2 out of 2 patents)

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