Forward Citations = 28

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4 inventors (with patents filed for the assignee):

Roy E Winchester (2 out of 2 patents)

Roger O'Brien (1 out of 2 patents)

Michael J Marjoran (1 out of 1 patent)

4. John B Lewis (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4166030 - Apparatus for handling sheets of paper (1979-08-28),

2. 4116430 - Stacking apparatus for flexible sheets (1978-09-26),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#1,095 in London

#6,532 in United Kingdom

London, United Kingdom

De La Rue Crosfield Limited

Forward Citations = 28

4 inventors:

Roy E Winchester (2 out of 2 patents)

Roger O'Brien (1 out of 2 patents)

Michael J Marjoran (1 out of 1 patent)

4. John B Lewis (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: De La Rue Crosfield Limited. Retrieved from https://idiyas.com/company/de-la-rue-crosfield

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]