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For the Inventor, By the Inventor

St. Joseph, MI, United States of America

Michael H Estkowski

USPTO Granted Patents = 18

Average Co-Inventor Count = 1.7

ph-index = 10

Forward Citations = 214(Granted Patents)


Location History:

  • Coloma, MI (US) (1990)
  • St. Joseph, MI (US) (1979 - 1995)

Company Filing History:

goldMedal10 out of 25 
 
Shepherd Products, U.s., Inc.
 patents
silverMedal2 out of 679 
 
Clark Equipment Compnay
 patents
bronzeMedal1 out of 1 
 
Shepperd Products U.s., Inc.
 patent
4. 1 out of 9 
 
Mechanical Products, Inc.
 patents
5. 1 out of 4 
 
V-m Corporation
 patents
6. 3 out of 832,718 
Other
 patents

Years Active: 1979-1995

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18 patents (USPTO):Explore Patents
1. 5415252 - Twin wheel caster and brake assembly (1995-05-16),
2. 5276942 - Appliance roller (1994-01-11),
3. 5232265 - Vertical back adjust for chairs (1993-08-03),
4. 5230571 - Caster bearing assembly (1993-07-27),
5. 5226739 - Integral retainer and bearing assembly (1993-07-13),
6. 5075924 - Tilted axle multiple wheel caster (1991-12-31),
7. 5068943 - Dual wheel tilted axle caster with an integral retainer and bearing (1991-12-03),
8. 5018787 - Chair seat tilt control (1991-05-28),
9. 4892354 - Chair seat tilt control (1990-01-09),
10. 4763383 - Electrically conductive caster having loop depending rings (1988-08-16),
11. 4718726 - Chair seat tilt control (1988-01-12),
12. 4696394 - Easily removable protective covering for annular objects (1987-09-29),
13. 4688512 - Backlighted trip indicator (1987-08-25),
14. 4453369 - Method of producing seed marker tabs (1984-06-12),
15. 4353183 - Seed marker tabs (1982-10-12),

Title: Michael H Estkowski: Innovator in Caster and Roller Mechanisms

Introduction

Michael H Estkowski is a notable inventor based in St. Joseph, MI (US). He holds a total of 18 patents, showcasing his significant contributions to the field of mechanical design and innovation. His work primarily focuses on caster and roller mechanisms, which have practical applications in various industries.

Latest Patents

Among his latest patents is the "Twin Wheel Caster and Brake Assembly." This invention features a central body with an axle extending outwardly, supporting a pair of wheels. The design includes radially inwardly extending ribs that create recesses for engagement with a locking bar, allowing for effective braking. Another significant patent is the "Appliance Roller," which supports an article on a surface for selective movement. This roller mechanism is designed to pivot between two positions, enhancing its maneuverability and functionality.

Career Highlights

Throughout his career, Michael has worked with various companies, including Shepherd Products, U.S., Inc. His experience in these roles has contributed to his expertise in developing innovative solutions in mechanical design.

Collaborations

Michael has collaborated with notable individuals such as Christopher G Estkowski and Don E Minor. These partnerships have likely enriched his work and led to further advancements in his inventions.

Conclusion

Michael H Estkowski is a distinguished inventor whose work in caster and roller mechanisms has made a significant impact. His innovative designs continue to influence the industry and improve functionality in everyday applications.

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