Tarzana, CA, United States of America

Margaret Weiser

This inventor holds 143 USPTO granted patents and 2 published patent applications, primarily in Novelty Designs (CPC class 1102-). Top assignees: Exhart Environmental Systems, Inc., Smith Corona Corp., Other. Active years: 1990-2022.

USPTO Granted Patents = 143 

% Patents Active = 95.8

Average Co-Inventor Count = 1.4

ph-index = 20

Forward Citations = 1,629(Granted Patents)

Forward Citations (Not Self Cited) = 1,335(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Tarzana, CA (US) (1990 - 2021)
  • Chatsworth, CA (US) (2010 - 2022)

Company Filing History:


Years Active: 1990-2022

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Areas of Expertise:
Novelty Designs
Whimsical Spinners
Decorative Lights
Ultrasonic Pest Repellers
Football Marquee Light
Butterfly Night Light
Electronic Rodent Repeller
Garden Ball Light
Hummingbird Novelty
Songbird Novelty
Angel Novelty
Circular-framed Wind Catcher
143 patents (USPTO):Explore Patents

Title: The Innovative Journey of Margaret Weiser

Introduction: Margaret Weiser, a prolific inventor based in Tarzana, CA, has made significant contributions to the fields of technology and innovation with an impressive portfolio of 137 patents. Her inventive spirit and dedication have made her a notable figure in the landscape of intellectual property.

Latest Patents: Among her recent advancements, Margaret is recognized for her patents related to Angel novelty and Cross novelty. These patents reflect her ability to blend creativity with practical solutions, addressing unique needs in her industry.

Career Highlights: Throughout her career, Margaret Weiser has held positions at respected organizations such as Exhart Environmental Systems, Inc., and Smith Corona Corp. These associations have provided her with the platform to refine her skills and bring her innovative ideas to fruition.

Collaborations: Margaret's journey has also seen collaborative efforts with renowned individuals like Isaac Weiser and Shari Weiser. Their partnerships have contributed to her inventive process, fostering an environment of creativity and innovation.

Conclusion: Margaret Weiser stands out as a leading inventor whose contributions continue to shape the technological landscape. With her extensive patent portfolio and collaborative spirit, she remains a prominent figure in the realm of innovations, inspiring future generations of inventors.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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