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For the Inventor, By the Inventor

Graham, TX, United States of America

Graham Magnetics Incorporated


USPTO Granted Patents = 44

Forward Citations = 824

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18 inventors (with patents filed for the assignee):

goldMedal Robert J Deffeyes (20 out of 22 patents)

silverMedal Harris W Armstrong (7 out of 7 patents)

bronzeMedal William A Manly (4 out of 5 patents)

4.  Wesley R Tyler (4 out of 4 patents)

5.  Grover L Johnson (3 out of 4 patents)

6.  Phillip A Cosby (3 out of 3 patents)

7.  Robert A Sanderson (3 out of 3 patents)

8.  Neil Matheson, Iii (2 out of 3 patents)

9.  Gerald S Newton (2 out of 2 patents)

10.  Robert A Johnson (2 out of 2 patents)

11.  Gordon L McDaniel (2 out of 2 patents)

12.  James E Jackman (1 out of 1 patent)

13.  Kenneth H States (1 out of 1 patent)

14.  Walter W Smith (1 out of 1 patent)

15.  James W Essary (1 out of 1 patent)


Core Competencies:
Magnetic Flexible Disks
High-Speed Inspection
MLC Capacitors
EMI-Suppression
Novel Silver Powder
Magnetic Tape
Conductive Metal Pattern
Polymodal Recording Media
Thermally Resistant Tape
Error Testing
Acicular Metal Crystals
Powder Products

44 patents:

1. 4770951 - Magnetic flexible disks (1988-09-13),
2. 4631479 - Error locator for high-speed inspection of magnetic tape (1986-12-23),
3. 4605835 - Forming terminations of MLC capacitors (1986-08-12),
4. 4548840 - High speed coating (1985-10-22),
5. 4541579 - Slitter, wind-up clutch assemblies (1985-09-17),
6. 4494878 - Fastener-free baffle assembly system (1985-01-22),
7. 4491485 - Tape cleaning method (1985-01-01),
8. 4463030 - Process for forming novel silver powder composition (1984-07-31),
9. 4447274 - Conductor powders (1984-05-08),
10. 4416702 - Tape cartridge cleaner (1983-11-22),
11. 4400846 - Tape cleaning apparatus (1983-08-30),
12. 4371742 - EMI-Suppression from transmission lines (1983-02-01),
13. 4347165 - Conductor powders (1982-08-31),
14. 4333966 - Method of forming a conductive metal pattern (1982-06-08),
15. 4312898 - Process for making magnetic tape (1982-01-26),
Company Overview
Graham Magnetics Incorporated, based in Graham, Texas, specializes in advanced magnetic technologies. The company focuses on the development and manufacturing of magnetic flexible disks and high-speed inspection systems, catering to various industrial applications. Their expertise extends to MLC capacitors, innovative coating processes, and baffle assembly solutions. Additionally, Graham Magnetics is involved in the design of tape cleaning apparatus and EMI suppression technologies, as well as the production of conductor powders, contributing to enhanced performance in electronic components.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Graham Magnetics Incorporated USPTO Patent Assignee Logo
44 Patents

#1 in Graham, TX

#443 in Texas

#7,960 in US

#15,768 in the World

Graham, TX (US)
Graham, TX, United States of America

Graham Magnetics Incorporated

Forward Citations = 824

18 inventors:

goldMedal Robert J Deffeyes (20 out of 22 patents)

silverMedal Harris W Armstrong (7 out of 7 patents)

bronzeMedal William A Manly (4 out of 5 patents)

4.  Wesley R Tyler (4 out of 4 patents)

5.  Grover L Johnson (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Graham Magnetics Incorporated. Retrieved from https://idiyas.com/company/graham-magnetics

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

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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