Inventor · Portland, OR, US

Robert Marshall

16Patents
10h-index
14Co-inventors
69Inventor score

Filing activity: Oct 15, 1991 → Jun 8, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6598172B1 System and method for clock skew compensation between encoder and decoder clocks by calculating drift metric, and using it to modify time-stamps of data packets Emerging Cross-Sectional Technologies 316 Expired
US6229621A Wireless system for broadcasting, receiving and selectively printing packets of information using bit-string selection means Electricity 135 Expired
US6226098A Printer appliance for use in a wireless system for broadcasting packets of information Electricity 78 Expired
US5355142A Microstrip antenna structure suitable for use in mobile radio communications and method for making same Electricity 75 Expired
US5673393A Managing bandwidth over a computer network having a management computer that allocates bandwidth to client computers upon request Electricity 44 Expired
US5404583A Portable communication system with concealing features Electricity 34 Expired
US5600797A System for identifying new client and allocating bandwidth thereto by monitoring transmission of message received periodically from client computers informing of their current status Electricity 19 Expired
US6985452B2 Wireless system for broadcasting, receiving, storing and selectively printing coupons and the like in a retail environment Electricity 17 Expired
US5631967A Processing audio signals using a state variable Electricity 12 Expired
US5566238A Distributed processing of audio signals Electricity 11 Expired
US5579389A Histogram-based processing of audio signals Electricity 7 Expired
US10198700B2 Configurable push notifications for a transport service Electricity 6 Active
US6650429B2 Wireless system for broadcasting, receiving, storing & selectively printing coupons and the like in a retail environment Electricity 5 Expired
US11922340B2 Configurable push notifications for a transport service Electricity 0 Active
US11379761B2 Configurable push notifications for a transport service Electricity 0 Active
US7495788B2 Wireless system for broadcasting, receiving and printing packets of information Electricity 0 Expired

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