Inventor · Chicago, IL, US

Robert Case

25Patents
8h-index
9Co-inventors
68Inventor score

Filing activity: Sep 29, 1975 → Aug 4, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
USD268149S Dental chair General 42 Expired
USD286177S Cabinet door General 35 Expired
US3983867A Method and apparatus for providing hexaxial ECG display Human Necessities 26 Expired
USD286481S Cabinet door or similar article General 23 Expired
USD279566S Automated credit card terminal enclosure for vehicle service stations General 13 Expired
USD282575S Operatory module for a health treatment facility General 11 Expired
USD282682S Operatory module for a health treatment facility General 10 Expired
US6002493A Method for reproducing an image Electricity 9 Expired
USD282574S Operatory module for a health treatment facility General 6 Expired
USD285395S Drawer front or similar article General 6 Expired
USD282681S Operatory module for a health treatment facility General 5 Expired
US7956861B2 Method for checkerboard-based vector to raster conversion Physics 5 Active
USD282573S Operatory module for a health treatment facility General 5 Expired
USD282683S Operatory module system for a health treatment facility General 4 Expired
US7057770B2 None-of-the-above digital halftone compression and decompression Electricity 4 Expired
US7217393B2 Apparatus and method for process monitoring Emerging Cross-Sectional Technologies 3 Expired
USD282572S Operatory module for a health treatment facility General 2 Expired
USD282571S Operatory module for a health treatment facility General 2 Expired
USD273813S Credit card terminal General 2 Expired
US7193753B2 Reverse diffusion digital halftone quantization Electricity 1 Expired
US7192777B2 Apparatus and method for process monitoring Emerging Cross-Sectional Technologies 0 Expired
US7623264B2 Method for colorizing a digital halftone Electricity 0 Active
US7286264B2 None-of-the-above digital halftone compression and decompression Electricity 0 Expired
US7457002B2 Reverse diffusion digital halftone quantization Electricity 0 Active
US7189573B2 Apparatus and method for process monitoring Emerging Cross-Sectional Technologies 0 Expired

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