List of Patents . 1<77 
William Wigton, Jan. 30, improvement in the construction ot 
stills, and the procees of distilling spirits. 
Oliver Evans, Feb. 14, improvement called the screw-mill for 
breaking and grinding different hard substances. 
Oliver Evans, Feb. 14, improvement in steam engines, by the ap- 
plication of a new principle by means of strong boilers to retain and 
confine the steam, thereby increasing the heat in the water, which 
increases the elastick power of the steam to a great degree. 
John Staples, jun. Feb. 17, improvement in wheels to be moved 
either by wind or water; for the purpose of giving motion to all 
kinds of machinery, mills, engines, carriages, ships, boats, Sec. Sec 
D. S. Dean, Feb. 20, improvement, being a machine for washing 
clothes, scouring, fulling, and cleansing cloth. 
Israel Wood, Feb. 21 , “in setting stills and other large kettles/" 
T. Barnett, Feb. 21, machine for threshing and cleaning grain. 
T. Pierce, Feb. 21, improvement being a smut fanning-mill. 
W.W. Hopkins, Feb. 24, improvement in hanging window sashes, 
Wm. B. Dyer, Feb. 27, “improvement, being a spinning wheel 
and twisting-mill for the purpose of making cordage. 
Jacob Worrell, Feb. 27, a machine for hulling clover seed. 
D. M. Miller, March 5, improvement in air or bellows pumps 
for raising water. 
Archibald Robertson, March 5, improvement, being a mode of 
preparing marble for painting on. 
Daniel M. Miller, March 8, improvement in window fastenings, 
or springs for fastening and supporting sash-lights. 
Samuel P. Lord, Jun. March 10, improvement in extinguishing 
fires in houses, See. 
Moses Smith, March 16, machine for watering cattle. 
Ward Gilman, and Wm. Jackson, March 19, improvement in 
the bedstead, so constructed that it may be taken down and re- 
moved by one person, in case of fire, or on other occasions, with, 
much ease and expedition. 
Abraham Frost, March 19, machine for preparing what is com- 
monly called top, and swingled tow for paper. 
B. Tyler, March 19, improvement being a “ wry-fly,” which may 
be applied by wind or water to various machines, viz. grist-mills, 
hulling-mills, spinning-mills, fulling-mills, paper-mills, and to the 
use of furnaces, &c. 
George W. Robinson, March 24, improvement in manufacturing 
coat and waist-coat buttons. \ 
J. Williams, March 23, improvement, being an inclined-plane- 
