% Expired Patents = 100.0

Forward Citations = 4

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3 inventors (with patents filed for the assignee):

Cornelis Verbaan (1 out of 2 patents)

Ralph Fitch (1 out of 1 patent)

David B Dreisinger (1 out of 29 patents)

1 patent: Sort by Forward Citations

1. 8585991 - Method for recovering indium, silver, gold and rare, precious and base metals from complex oxide and sulfide ores (2013-11-19),

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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#590 in Vancouver

#9,459 in Canada

Vancouver, Canada

South American Silver Corp.

Forward Citations = 4

3 inventors:

Cornelis Verbaan (1 out of 2 patents)

Ralph Fitch (1 out of 1 patent)

David B Dreisinger (1 out of 29 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: South American Silver Corp.. Retrieved from https://idiyas.com/company/south-american-silver

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]