Hi unit 41
Hey, beautiful machine you've got there.
The name "Kenney" probably refers to David Kenney who'
in the early 1900's, held no fewer than 9 patents for
systems and mechanisms to suck dust out of carpets and
off of floors. Any vacuum cleaner manufacturer who
hoped to market their machines were forced to pay
copyright fees to Mr. Kenney in order to be awarded a
Kenney Patent label to display on their product (in
order to avoid lawsuits).
Whether your pneumatic sweeper was one manufactured by
Kenney, or just licensed by him is unclear.
