| X Patent X4973 | |||
|---|---|---|---|
| patent number | issue date | text | |
| X4973 | 1828-01-25 | X0004973.pdf | (12) United States Patent (10) Patent No.: X4973 Beard (45) Date of Patent: Jan. 25, 1828 (54) WATER WHEEL, SCREW (76) Inventor: Ebenezer Beard United States Patent P t t N X4973 3 en 0.: I, _—. . 1 4 ./K/‘Ki’/1-2! .»Z«' P’. " ‘ \' ‘V 2.6 {(4 LJ c./c-A3.-/4/»rc& 74 .4 {a 44., //o¢ec&é;z&=.a -73:ra4.. |