| Patents Granted on 1808-03-?? |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 823X | Mar. 04, 1808 | D. Watson | Common suction pump | plumber |
| 824X | Mar. 04, 1808 | P. Heaton, M.B. Boyes, P. Heaton, Jr. | Mode of propelling boats | nautical propulsion apparatus |
| 825X | Mar. 04, 1808 | N. Cutting, R. Fulton | Mode of manufacturing cordage | rope maker |
| 826X | Mar. 05, 1808 | P. Pratt | Machine for making combs | comb making machines |
| 827X | Mar. 08, 1808 | S. Hays | Churn | churns |
| 828X | Mar. 09, 1808 | E. Cady, Jr. | Forcing pump, with double action | plumber |
| 829X | Mar. 10, 1808 | N. King | Revolving churn | churns |
| 830X | Mar. 11, 1808 | S. Stackhouse | Churn | churns |
| 831X | Mar. 13, 1808 | G. Gridley | Chimneys | |
| 832X | Mar. 14, 1808 | G. Gridley | Fire places | |
| GB-180,803,116 | Mar. 14, 1808 | M.I. Brunel | Improvements on circular saws for sawing wood | circular saws |
| GB-180,803,117 | Mar. 14, 1808 | H. Maudslay | Machines for printing calicoes | |
| GB-180,803,118 | Mar. 14, 1808 | B. Donkin | Steel pen | |
| 833X | Mar. 15, 1808 | W. Wadsworth | Washing machine | washing machines |
| 834X | Mar. 15, 1808 | W. Wadsworth | Machine for propelling boats | nautical propulsion apparatus |
