Forward Citations = 10

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4 inventors (with patents filed for the assignee):

James L Phillips (2 out of 4 patents)

Dale W Richardson (2 out of 4 patents)

J Donald Hill (1 out of 17 patents)

4. Lawrence M Silverman (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 4852200 - Device for cleaning electric knives (1989-08-01),

2. 4834097 - Cardio-valve assist unit and method for performing cardio-valve (1989-05-30),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#60 in Kalamazoo, MI

#3,189 in Michigan

#94,905 in US

Kalamazoo, MI, United States of America

Richardson & Associates, Ltd.

Forward Citations = 10

4 inventors:

James L Phillips (2 out of 4 patents)

Dale W Richardson (2 out of 4 patents)

J Donald Hill (1 out of 17 patents)

4. Lawrence M Silverman (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Richardson & Associates, Ltd.. Retrieved from https://idiyas.com/company/richardson-and-associates

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]