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For the Inventor, By the Inventor

Macedonia, OH, United States of America

Century Products Company


USPTO Granted Patents = 54

Trademarks = 1

Forward Citations = 1,281

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34 inventors (with patents filed for the assignee):

goldMedal Mark A Sedlack (16 out of 36 patents)

silverMedal Robert D Wise (12 out of 32 patents)

bronzeMedal Joel W Wennerstrom (4 out of 8 patents)

4.  Michael P Green (4 out of 4 patents)

5.  Maryann C Celestina-Krevh (4 out of 4 patents)

6.  John J Andrisin, Iii (3 out of 3 patents)

7.  Daniel P Sumser (3 out of 3 patents)

8.  Francis Bernart (3 out of 3 patents)

9.  Peter J Myers (3 out of 9 patents)

10.  Robert John Warner, Jr (2 out of 34 patents)

11.  Michael Carnahan (2 out of 6 patents)

12.  MaryAnn Celestina-Krevh (2 out of 3 patents)

13.  William T Ward, Jr (2 out of 2 patents)

14.  David Campbell (2 out of 2 patents)

15.  Scott S Yu (1 out of 43 patents)


Core Competencies:
Car Seat Safety
Child Restraint Systems
Infant Car Seat
Adjustable Stroller Mechanism
Booster Car Seat
Infant Bath Tub
Swivel Caster Assembly
Height Adjustment Mechanism
Child's Toilet Trainer
Infant Carrier Handle
Collapsible Playpen
Harness Adjustment Mechanism

54 patents:

1. 5836650 - Car seat with height adjustment mechanism (1998-11-17),
2. 5794951 - Child's stroller with manually operable accessory latch assembly (1998-08-18),
3. D394162 - Childs car seat shell (1998-05-12),
4. 5733004 - Shoulder belt guide (1998-03-31),
5. D392479 - T-Shield (1998-03-24),
6. D389286 - Shoulder belt guide (1998-01-20),
7. 5683138 - Adjustable shield for infant car seat safety belts (1997-11-04),
8. 5664833 - Child's car seat with improved rotatable overhead shield (1997-09-09),
9. 5658044 - Infant carrier handle (1997-08-19),
10. 5607322 - One-way battery receptacle (1997-03-04),
11. 5607203 - Child's car seat with improved overhead shield (1997-03-04),
12. D376919 - Car seat base (1996-12-31),
13. 5580126 - Five-point booster car seat belt system (1996-12-03),
14. 5551751 - Reclining restraint (smart move) (1996-09-03),
15. 5542151 - Rotatable bending joint for collapsible playpen (1996-08-06),
Century Products Company is a leading manufacturer of high-quality household cleaning products. With a focus on innovation and sustainability, we offer a wide range of products for every cleaning need. Our commitment to excellence and customer satisfaction sets us apart in the industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

54 Patents

#1 in Macedonia, OH

#268 in Ohio

#6,338 in US

#12,728 in the World

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Macedonia, OH, United States of America

Century Products Company

Forward Citations = 1,281

34 inventors:

goldMedal Mark A Sedlack (16 out of 36 patents)

silverMedal Robert D Wise (12 out of 32 patents)

bronzeMedal Joel W Wennerstrom (4 out of 8 patents)

4.  Michael P Green (4 out of 4 patents)

5.  Maryann C Celestina-Krevh (4 out of 4 patents)

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