Henry William Wallace's "Kinemassic" Antigravity Field Generator (1971 Patent)
The entire U.S. Patent Text as a searchable and downloadable MS-Word document file.
Please note that the field effects claimed by Wallace using his device are not miniscule; rather, Wallace claimed complete neutralization and reversal of the gravitational field of the Earth or any other planetary body.
A collection of links to various Henry Wm. Wallace files on the Internet:
This includes graphics files for the patent drawings.