Forward Citations = 16

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2 inventors (with patents filed for the assignee):

William D Hernandez (1 out of 5 patents)

Robert H Stewart (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5384988 - Lens surfacing assembly (1995-01-31),

2. 4041649 - Alignment device (1977-08-16),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#11 in Tarpon Springs, FL

#3,687 in Florida

#94,905 in US

Tarpon Springs, FL, United States of America

Practical Systems, Inc.

Forward Citations = 16

2 inventors:

William D Hernandez (1 out of 5 patents)

Robert H Stewart (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Practical Systems, Inc.. Retrieved from https://idiyas.com/company/practical-systems

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]