household articles
What was Melitta Bentz's primary occupation when she decided to invent a coffee filter?
What method was commonly used for brewing coffee before Melitta's intervention that resulted in sludge?
What everyday item inspired Melitta Bentz's choice of filtering material in 1908?
What was the primary drawback associated with the reusable cloth bags used for straining coffee?
How did Melitta Bentz physically create the holder for her initial experimental filter?
In what year did Melitta Bentz officially apply for a patent for her filtering device?
What was the patent registration number secured by Melitta Bentz?
How many filter units did Melitta’s small business sell during its first year of operation?
What fundamental principle introduced by Melitta remains the dominant methodology in modern drip brewing practices?
What characterized the shift from Melitta's initial blotting paper to the final commercial version of the filter?
Around what year was Sarah Boone born?
What profession did Sarah Boone establish herself in after the Civil War?
What was the official date her patent was granted?
What was the U.S. Patent Number for Sarah Boone's improvement?
What was the primary area of Sarah Boone's contribution to the ironing board?
What advantage did the narrower board profile provide?
What purpose did the enhanced padding serve on Boone's improved board?
Before Boone's intervention, what physical difficulty was commonly associated with ironing?
What structural element of her design was likely influenced by her work as a dressmaker?