| Patents Granted on 1821-10-?? |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 3,388X | Oct. 02, 1821 | J.M. Fors | Razor strop | |
| 3,389X | Oct. 08, 1821 | R. Bulkley | Right and left chain wheel | |
| 3,390X | Oct. 08, 1821 | F. Crey | Preventive for smoking chimneys | |
| 3,391X | Oct. 12, 1821 | L. Ruggles | Machine for cleaning rice | miller |
| 3,392X | Oct. 12, 1821 | J. Cooke | Machine for packing cotton | cotton presses |
| 3,393X | Oct. 15, 1821 | B. Simmons, Jr. | Stove bottom boiler | stoves |
| 3,394X | Oct. 15, 1821 | B. Simmons, Jr. | Oven door flue | household tools |
| 3,395X | Oct. 29, 1821 | I. Jennings | Chains for cables | |
| 3,396X | Oct. 30, 1821 | E. Covenhoven | Floating dry docks | |
| 3,397X | Oct. 31, 1821 | D. Powles | Bedsteads | |
