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For the Inventor, By the Inventor

Grafton, WI, United States of America

Louis J Crosslen

This inventor holds 12 USPTO granted patents. Top assignees: Frank Mayer & Associates, Inc., Other. Active years: 1976-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Louis J Crosslen. Retrieved from https://idiyas.com/inventor/louis-j-crosslen

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 9

Forward Citations = 281(Granted Patents)


Location History:

  • Grafton, WI (US) (1976 - 1985)
  • Saukville, WI (US) (1987)

Company Filing History:

goldMedal11 out of 17 
 
Frank Mayer & Associates, Inc.
 patents
silverMedal1 out of 834,601 
Other
 patents

Years Active: 1976-1987

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12 patents (USPTO):Explore Patents
1. 4682825 - Security device for point-of-sale display rack and primarily store (1987-07-28),
2. 4673090 - Modular expandable merchandise display rack (1987-06-16),
3. 4652243 - Puncture sealant demonstrator for tires (1987-03-24),
4. D277819 - Merchandise display unit (1985-03-05),
5. 4478338 - Display device of the type having racks arranged in shingled fashion (1984-10-23),
6. 4387810 - Shingled rack display device (1983-06-14),
7. 4265038 - Display assembly having overlapping and removable sample holders (1981-05-05),
8. 4254595 - Removable cover for roof gutter (1981-03-10),
9. 4073557 - Display case for use with a merchandise display rack (1978-02-14),
10. 4011942 - Wristwatch display case having detachable flexible watch-supporting cuff (1977-03-15),
11. 4005775 - Display case for use with a merchandise display rack (1977-02-01),
12. 3942647 - Merchandise display rack (1976-03-09),

Title: Innovations by Louis J Crosslen

Introduction

Louis J Crosslen is a notable inventor based in Grafton, Wisconsin, with a remarkable portfolio of 12 patents. His work primarily focuses on enhancing security and functionality in merchandise display systems.

Latest Patents

Among his latest innovations is a security device for point-of-sale display racks. This device features a transparent panel that is locked in an upright position, preventing the removal of all but the lowermost articles on a shelf. The design allows for a snap toggle action between locked and unlocked conditions, facilitating easy access while ensuring security. Another significant invention is a modular expandable merchandise display rack. This multi-sided rack includes a base and a series of module side brackets that allow for flexible display configurations, enhancing the retail experience.

Career Highlights

Throughout his career, Louis has contributed to various projects that emphasize innovative design and practical applications. His inventions have significantly impacted the retail industry, providing solutions that improve both security and display efficiency.

Collaborations

Louis has worked with Frank Mayer & Associates, Inc., among other companies, to bring his innovative ideas to fruition.

Conclusion

Louis J Crosslen's contributions to the field of invention demonstrate his commitment to improving retail environments through innovative security and display solutions. His patents reflect a blend of creativity and practicality that continues to influence the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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