For the Inventor, By the Inventor

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Kalamazoo, MI, United States of America

Interkal, Inc.

USPTO Granted Patents = 19

Trademarks = 2

Forward Citations = 175

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19 inventors (with patents filed for the assignee):

Melvin J Guiles (13 out of 25 patents)

Kenneth A Ahrens (12 out of 12 patents)

Daniel R Victor (9 out of 9 patents)

4. Stanley W McKay (6 out of 6 patents)

5. Vaughn L Clark (2 out of 4 patents)

6. Richard A Vance (1 out of 1 patent)

7. David McCoy (1 out of 1 patent)

8. Richard L Patterson (1 out of 1 patent)

9. Minoru Amemiya (1 out of 1 patent)

10. Timothy M Conway (1 out of 1 patent)

11. Kristen M Sigourney (1 out of 1 patent)

12. Thomas R Kemppainen (1 out of 2 patents)

13. Masanori Karita (1 out of 1 patent)

14. Douglas F Wolff (1 out of 17 patents)

15. Richard P Molloy (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 6854216 - Self-storing handrail assembly for telescoping seat assembly (2005-02-15),

2. 6428097 - Deployable bleacher/chair combination (2002-08-06),

3. 6354041 - Aisle riser backstops for telescoping seating systems (2002-03-12),

4. 6324790 - Deployable seating arrangement (2001-12-04),

5. 6199324 - Aisle riser backstops for telescopic seating systems (2001-03-13),

6. 6185875 - Telescopic seating system with aisle hand rails (2001-02-13),

7. 6076306 - Railing system for telescopic seating (2000-06-20),

8. D417287 - Handrail (1999-11-30),

9. D409311 - Handrail (1999-05-04),

10. D402039 - Handrail (1998-12-01),

11. 5822929 - Aisle riser backstops for telescopic seating systems (1998-10-20),

12. D399009 - Handrail (1998-09-29),

13. 5813663 - Railing system for telescopic seating (1998-09-29),

14. 5456518 - Flexible access seating (1995-10-10),

15. 5297847 - Fire retardant seating (1994-03-29),

Interkal, Inc. is a leading manufacturer of spectator seating solutions for a wide range of venues including stadiums, arenas, and auditoriums. With over 60 years of experience in the industry, Interkal offers innovative and durable seating options tailored to meet the needs of each individual client. Their commitment to quality and customer satisfaction has established them as a trusted partner in the audience seating industry.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

19 Patents

#16 in Kalamazoo, MI

#606 in Michigan

#16,657 in US

#31,779 in the World

Kalamazoo, MI, United States of America

Interkal, Inc.

Forward Citations = 175

19 inventors:

Melvin J Guiles (13 out of 25 patents)

Kenneth A Ahrens (12 out of 12 patents)

Daniel R Victor (9 out of 9 patents)

4. Stanley W McKay (6 out of 6 patents)

5. Vaughn L Clark (2 out of 4 patents)

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