Donald J Ehrlich (1 out of 8 patents)
Randolph L Engler (1 out of 1 patent)
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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#22 in Lafayette, IN
#1,327 in Indiana
#94,841 in US
Schwab Corporation
Forward Citations = 41
2 inventors:
Lafayette, IN, United States of America
Schwab Corporation
% Expired Patents = 50.0
Forward Citations = 41
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2 inventors (with patents filed for the assignee):
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Schwab Corporation. Retrieved from https://idiyas.com/company/schwab
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]
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]
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]