4,58 
List of Patents. 
Abel W. Hardenbrook, Feb. 1 0, a water tight swivel screw, adapt- 
ed to steam engines, stills, See. 
W. Montgomery, Feb. 1 1, improvement in making boots and shoes 
Abraham Ogier Stansbury, Feb. 1 1, the Egyptian lock. 
Charles Fales, Feb. 1 1, method of making charcoal from peats. 
Richard Button, Feb. 1 1, a hemp and flax machine. 
Ebenezer Lester, Feb. 12, method of making moulds for casting 
trundle heads, of any kind of metal, 8cc. 
Abraham Hobart, Feb. 17, a tilting waggon. 
Abraham Fisher, Feb. 19, a fire place with a flat funnel. 
A. Buffum, Feb. 21, machine for carding fur and wool, for hats. 
Ezekial Hale, Feb. 22, improvement in the gristmill. 
Jesse Reed, Feb. 22, machine for cutting and heading nails at 
one operation. 
Joel Fox, junior, Feb. 25, machine for working a trip hammer 
with a perpendicular handle. 
Gershamand Barnt G. Burtis, improvement in making butter, 
Richard R. Elliot, Feb. 28, a washing machine. 
Timothy Green, April 1, mode of making salt. 
Lewis Dupre, April l,a pendulum screen. 
Charles Colver, April 1, a double forcing pump. 
G. Youle, April 1, improvement in the cabouse stoye for cook- 
ing, Sec. 
David Peacock, April 1 , improvement in ploughs. 
Jeremiah MTlvain ,. April 1, machine for dressing shingles, and 
staves. 
Elisha Bigelow, April 1, machine for cutting nails. 
J. A. Pearce, April 7, machine for propelling boats, Sec. by oars, 
A. Craig, April 15, machine for raising stumps, &c. from the 
ground. 
Sylvester G. Whipple, April 17, improvement in the application 
^f bark for hats, caps, &c. 
Ebenezer Jenks, April 17, improvement in making fire brick. 
Jonathan Mix, April 18, improvement in main springs for carriages, 
Thomas Pope, April 1 8, improvement in the construction of bridges. 
Barnabas Langdon, April 23, improvement in the steelyard. 
Abraham Weaver, April 23, improvement in an apparatus for, and 
mode of distilling. 
Henry Dunlap, April 23, improvement in the splinter bar and 
swingle trees of carriages, so as to disengage the horses from them 
suddenly. 
