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4 inventors (with patents filed for the assignee):

Karl Schiffmann (4 out of 23 patents)

Jack J Letourneau (4 out of 6 patents)

Mark J Andrews (4 out of 36 patents)

4. Jack J LeTourneau (1 out of 55 patents)

5 patents: Sort by Forward Citations

1. 12277136 - Method and/or system for transforming between trees and strings (2025-04-14),

2. 12013829 - Manipulation and/or analysis of hierarchical data (2024-06-18),

3. 11989168 - Enumeration of rooted partial subtrees (2024-05-21),

4. 11636079 - Enumeration of rooted partial subtrees (2023-04-25),

5. 11615065 - Enumeration of trees from finite number of nodes (2023-03-28),

Lower48 IP LLC is a leading intellectual property law firm specializing in patent and trademark law. With a team of experienced attorneys, Lower48 IP helps clients protect and monetize their intellectual property assets. The firm offers a full range of IP services, including patent prosecution, trademark registration, licensing agreements, and IP litigation support. Contact Lower48 IP today to learn how they can help safeguard your innovations and brand.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#369 in Dallas, TX

#3,330 in Texas

#51,570 in US

Dallas, TX, United States of America

Lower48 IP LLC

Forward Citations = 0

4 inventors:

Karl Schiffmann (4 out of 23 patents)

Jack J Letourneau (4 out of 6 patents)

Mark J Andrews (4 out of 36 patents)

4. Jack J LeTourneau (1 out of 55 patents)

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