Forward Citations = 173

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2 inventors (with patents filed for the assignee):

John C Henning (8 out of 12 patents)

Mark E Melson (2 out of 2 patents)

9 patents: Sort by Forward Citations

1. 6109465 - Tamper-evident closure system (2000-08-29),

2. 6006933 - Twist-off closure (1999-12-28),

3. 5820326 - Method and apparatus for making a tamper-evident crown (1998-10-13),

4. 5806700 - Tamper-evident closure system (1998-09-15),

5. 5263600 - Tamper-evident twist-off closure (1993-11-23),

6. 4782969 - Twist-off bottle cap (1988-11-08),

7. 4690292 - Safety closure (1987-09-01),

8. 4678079 - Container for hanger-supported garments (1987-07-07),

9. 4576304 - Easy-open closure (1986-03-18),

Product Investment Inc. is a leading investment firm specializing in high-growth startups and innovative product companies. With a focus on early-stage investments, we partner with entrepreneurs to provide capital and strategic guidance to help them scale their businesses. Our portfolio includes a diverse range of successful companies across various industries, and we are committed to supporting the next generation of industry disruptors.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

9 Patents

#119 in Cincinnati, OH

#1,267 in Ohio

#31,616 in US

Cincinnati, OH, United States of America

Product Investment Inc.

Forward Citations = 173

2 inventors:

John C Henning (8 out of 12 patents)

Mark E Melson (2 out of 2 patents)

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