Inventor
PERLOFF DAVID S
US10 patents
⚠️ This page may combine multiple inventors who share the name “PERLOFF DAVID S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROMETRIX CORP
9 patentsUS4967381AOct 30, 1990
Process control interface system for managing measurement data
PROMETRIX CORP207 citations96
US4873623AOct 10, 1989
Process control interface with simultaneously displayed three level dynamic menu
PROMETRIX CORP303 citations96
US4843538AJun 27, 1989
Multi-level dynamic menu which suppresses display of items previously designated as non-selectable
PROMETRIX CORP142 citations96
US4805089AFeb 14, 1989
Process control interface system for managing measurement data
PROMETRIX CORP74 citations95
US4679137AJul 7, 1987
Process control interface system for designer and operator
PROMETRIX CORP83 citations95
US4755746AJul 5, 1988
Apparatus and methods for semiconductor wafer testing
PROMETRIX CORP187 citations94
US5226118AJul 6, 1993
Data analysis system and method for industrial process control systems
PROMETRIX CORP283 citations93
US4951190AAug 21, 1990
Multilevel menu and hierarchy for selecting items and performing tasks thereon in a computer system
PROMETRIX CORP35 citations91
US4703252AOct 27, 1987
Apparatus and methods for resistivity testing
PROMETRIX CORP42 citations90