Inventor · Maumee, OH, US

Bert Spellman

4Patents
1h-index
6Co-inventors
33Inventor score

Filing activity: Aug 2, 2019 → Jan 26, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US11373471B2 Locking system using wireless bridge Electricity 6 Active
US12073674B2 Electronic door system Electricity 0 Active
US11521445B2 Integrated electronic entry door systems Electricity 0 Active
US11922748B2 Electronic door system Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.