Irwin International, Inc.

Calculating rank

USPTO Granted Patents = 4

Trademarks = 2

Forward Citations = 49

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7 inventors (with patents filed for the assignee):

Samuel N Irwin (4 out of 7 patents)

Juan F Velazquez (3 out of 12 patents)

Francis Lum (3 out of 7 patents)

4. Otto R Butsch (2 out of 10 patents)

5. Bruce Graham (1 out of 2 patents)

6. Joseph H Mueller (1 out of 2 patents)

7. Ronald G Dawson (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4468712 - Positioner apparatus for tape recorder heads (1984-08-28),

2. 4462053 - Method for controlling a disc head (1984-07-24),

3. D270348 - Integrated disc and tape recorder drive unit (1983-08-30),

4. D270055 - Combined disc and tape drive (1983-08-09),

Company Overview

Irwin International, Inc. is a global leader in the manufacturing and distribution of high-quality industrial products. With a focus on innovation and customer satisfaction, Irwin International offers a wide range of tools, equipment, and supplies for various industries. Their commitment to excellence and reliability has made them a trusted partner for businesses worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#156 in Ann Arbor, MI

#2,023 in Michigan

#60,671 in US

Ann Arbor, MI, United States of America