For the Inventor, By the Inventor

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Memphis, MI, United States of America

Grace Engineering Corp.

USPTO Granted Patents = 54

EPO Patents = 1

Forward Citations = 517

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17 inventors (with patents filed for the assignee):

Nathaniel E Grace (31 out of 37 patents)

Louis Grace (18 out of 27 patents)

Scott C Prater (7 out of 7 patents)

4. Cody M Schulz (5 out of 10 patents)

5. Timothy J Roelens, Ii (3 out of 3 patents)

6. Joel D Harris (2 out of 3 patents)

7. Brian J Anderson (2 out of 2 patents)

8. John H Brywig (2 out of 2 patents)

9. David M Lynch (2 out of 2 patents)

10. Casey Warren Carew (2 out of 2 patents)

11. David L Vergara (1 out of 9 patents)

12. Rayomen E Church (1 out of 1 patent)

13. Kyle B Stokes (1 out of 5 patents)

14. Scott D Lee (1 out of 1 patent)

15. Louis Grace, Jr (1 out of 3 patents)

Core Competencies:

Archery Bow Riser

Macro Alignment Reticle Sight

Archery Training Grip

Illuminated Aiming Devices

Mechanical Broadhead

Range Finder Devices

Cable Guard and Guides

Torque Wrench for Broadheads

Archery Quiver

Cam Adjustment Module

Lighted Archery Nock

E-Coating Method

54 patents: Sort by Forward Citations

1. D1103323 - Archery bow riser (2025-11-25),

2. 12435944 - Tubular archery bow riser (2025-10-07),

3. D1084200 - Weapon stock fore end (2025-07-15),

4. 12276479 - Macro alignment reticle sight system (2025-04-14),

5. 12264893 - Tubular archery bow riser (2025-04-01),

6. 12163757 - Archery bow cam spacer (2024-12-10),

7. 11852442 - Macro alignment reticle sight system (2023-12-26),

8. 11619468 - Macro alignment reticle sight system (2023-04-04),

9. 11598601 - Archery bow cam and related method of use (2023-03-07),

10. 11536532 - Archery bow cam spacer (2022-12-27),

11. 11480407 - Archery training grip and related method (2022-10-25),

12. 11287220 - Macro alignment reticle sight system (2022-03-29),

13. 11287213 - Insulated grip and related method of installation (2022-03-29),

14. 11262164 - Power on indicator for sight system (2022-03-01),

15. 11015897 - Archery training grip and related method (2021-05-25),

Grace Engineering Corp. is a leading provider of engineering solutions and services. With over 20 years of experience, we specialize in delivering cutting-edge engineering technology and innovative solutions to enhance the productivity and efficiency of our clients' operations. Our team of skilled engineers and technicians are committed to providing excellent customer service and delivering projects on time and within budget. Visit our website to learn more about our comprehensive range of engineering services and solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

54 Patents

#1 in Memphis, MI

#248 in Michigan

#6,341 in US

#12,743 in the World

Memphis, MI, United States of America

Grace Engineering Corp.

Forward Citations = 517

17 inventors:

Nathaniel E Grace (31 out of 37 patents)

Louis Grace (18 out of 27 patents)

Scott C Prater (7 out of 7 patents)

4. Cody M Schulz (5 out of 10 patents)

5. Timothy J Roelens, Ii (3 out of 3 patents)

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