Ralph E Roper (3 out of 19 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
3 Patents
#225 in Indianapolis, IN
#1,040 in Indiana
#73,860 in US
Wallace Expanding Machines, Inc.
Forward Citations = 22
1 inventor:
Indianapolis, IN, United States of America
Wallace Expanding Machines, Inc.
Forward Citations = 22
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1 inventor (with patents filed for the assignee):
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wallace Expanding Machines, Inc.. Retrieved from https://idiyas.com/company/wallace-expanding-machines
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]