| Patents Granted on 1899-03-21 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 621,322 | Mar. 21, 1899 | C.M. Catlin, Administrator, W.W. Hulse, deceased (Estate of) | Lathe | engine lathes |
| 621,394 | Mar. 21, 1899 | F.B. Wakeman | Siding-Square | clapboard markers |
| 621,401 | Mar. 21, 1899 | L.M. Davis | Spiral-tool driver | spiral screwdrivers |
| 621,488 | Mar. 21, 1899 | E.S. Clarke | Sawing-machine | circular saws |
| 621,519 | Mar. 21, 1899 | W.G. Burnham | Gear-cutting machine | gear making machines |
| 621,525 | Mar. 21, 1899 | J.H. Hamilton | Gas or Vapor Engine | gas and gasoline engines |
| 621,526 | Mar. 21, 1899 | J.H. Hamilton | Gas Motor Engine | gas and gasoline engines |
| 621,572 | Mar. 21, 1899 | T.C. Kennedy | Explosive Engine | gas and gasoline engines |
| 621,621 | Mar. 21, 1899 | C. Seymour | Shaping-machine | wood shapers |
| 621,692 | Mar. 21, 1899 | H.W. Morgan | Chuck for nailing-machines | nailing machines |
| 621,693 | Mar. 21, 1899 | G.W. Morris | Water Heater | steam engines |
| 621,710 | Mar. 21, 1899 | M.C. Richards | Sliding-door hanger | door and window hardware |
