Leslie F. Kellogg, US667018A
Dial for Spring-Scales, US667018A.
Image credit: Kellogg, L.F. (1905)
On January 29, 1901, Florentine L. Kellogg, resident of Santa Barbara, was awarded a patent for developing a novel dial for weighting scales.
Date of Application: 5 April 1900
Date of Issuance: 29 January 1901
For more information, please refer to the following webpage:
Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.