Here's a few for the last category...
Randice-Lisa Altschul invented the world's first disposable cell phone.
Mary Anderson invented the windshield wiper. Anderson was issued a patent for the wipers in 1905.
Barbara Askins Developed a totally new way of processing film.
Patricia Billings invented a indestructible and fireproof building material called GeobondĀ®.
Rachel Brown co-invented Nystatin, the world's first useful antifungal antibiotic.
In 1886, Josephine Cochran invented the first practical dishwasher.
Martha Coston invented a pyrotechnic signaling system known as maritime signal flares.
Gertrude Belle Elion invented the leukemia-fighting drug 6-mercaptopurine, drugs that facilitated kidney transplants and other drugs for the treatment of cancer and leukemia.
Helen Free was the inventor of the home diabetes test.
Elizabeth Hazen co-invented Nystatin, the world's first useful antifungal antibiotic.
Dorothy Crowfoot Hodgkin used x-rays to find the structural layouts of atoms and to discover the overall molecular shape of over 100 molecules including: penicillin, vitamin B-12, vitamin D and insulin.
Amanda Theodosia Jones re-invented American food production by inventing vacuum packed canning.
Stephanie Louise Kwolek invented a material five times stronger than steel called Kevlar.
Alice Parker invented a new and improved gas heating furnace.
Ann Tsukamoto was the co-patenter of a process to isolate the human stem cell.
Dr. Grace Murray Hopper invented COBOL Computer Language
and most importantly...
Ruth Wakefield - the Chocolate Chip Cookie Inventor
LOL
