Inventor · Phoenix, AZ, US

Nathaniel Simmons

12Patents
4h-index
7Co-inventors
49Inventor score

Filing activity: Dec 23, 1980 → Sep 1, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4569043A Arrangement for interfacing the space stage to the time stages of a T-S-T digital switching system Electricity 70 Expired
US4399369A Dual rail time and control unit for a duplex T-S-T-digital switching system Electricity 4 Expired
US4406005A Dual rail time control unit for a T-S-T-digital switching system Electricity 4 Expired
US4402077A Dual rail time and control unit for a duplex T-S-T-digital switching system Electricity 4 Expired
US4399534A Dual rail time and control unit for a duplex T-S-T-digital switching system Electricity 4 Expired
US4524442A Modularly expandable space stage for a T-S-T digital switching system Electricity 3 Expired
US5575718A Manually operated bowling apparatus Human Necessities 3 Expired
US4524441A Modular space stage arrangement for a T-S-T digital switching system Electricity 2 Expired
US4525831A Interface arrangement for buffering communication information between a transmitting and receiving stage of a time-space-time digital switching system Electricity 1 Expired
US4392223A Dual rail time and control unit for a T-S-T-digital switching system Electricity 1 Expired
US4399533A Dual rail time and control unit for a T-S-T-digital switching system Electricity 0 Expired
US4520478A Space stage arrangement for a T-S-T digital switching system Electricity 0 Expired

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