"competitor"?
The GE Tidy was about 1950,the WH Porta Power was about 1955,the GE that became a Eureka and then Oreck Buster B in mid 60s,the Hoover Swingette in mid 60s,the Eureka Mighty Mite about 1980.Great and Amazing WH and display box above!The mid 50s Hoover Pixie also had a box for shipping and then counter top display.