Letters to Pearsall regarding acquiring patents in England and the US entitled "Ion Generator Utilizing low Voltage Alternating Current Source". Letters are labeled "NO".
'Use of the Duane D. Pearsall Papers Digital Collection is restricted under the "fair use" clause of the Copyright Law (Title 17, United States Code).
The images and documents in this collection are available for the sole purpose of private study, research, and/or scholarship.
Anyone wishing to use the images for commercial purposes, publication, or any purchase outside of "fair use" must obtain written permission from the WPI Archives & Special Collections.
For further information, please contact:
WPI Archives & Special Collections
George C. Gordon Library
100 Institute Road
Worcester, MA 01609
(1971). Letters from Anderson, Spangler & Wymore Law Offices Re: Patent Application No. 128,145 and British Patent No. 1,227,607. .
Retrieved from: http://digitalcommons.wpi.edu/ms055-02-0002-docs/20