efficiency expert; Therblig

Seminal contributions to human factors engineering and ergonomics; Therblig (1 of the manual visual or mental elements into which an industrial manual operation may be analyzed in time & motion study); time & motion studies; efficiency expert; linear-kitchen layouts; invented foot-pedal trash can adding shelves to refrigerator doors improved electric can opener wall-light switches & wastewater hose for washing machines

alleged: foot-pedal trash can door shelves for refrigerators improved electric can opener wastewater hose for washing machines (no patents located)

Category:
Social Sciences

Completion Status:
yes

Patent Number:
unknown

Co-Inventor:
unknown