| 201 |
Air operated ejector for presses |
US16468850 |
1950-05-27 |
US2694994A |
1954-11-23 |
WEYMOUTH GEORGE J; COOPER WILLIAM C |
|
| 202 |
Manufacture of commutator bars |
US2694952D |
|
US2694952A |
1954-11-23 |
|
|
| 203 |
Positive disappearing knockout pin mechanism |
US7087149 |
1949-01-14 |
US2609777A |
1952-09-09 |
DOMINIC MANIACI |
|
| 204 |
Hydraulic stripper for punch presses |
US44631142 |
1942-06-08 |
US2378068A |
1945-06-12 |
EASON CLARENCE M |
|
| 205 |
Material handling device |
US35021940 |
1940-08-03 |
US2297583A |
1942-09-29 |
ROWLANDS ARTHUR E |
|
| 206 |
Die, die holder, and ejector |
US72871034 |
1934-06-02 |
US2019791A |
1935-11-05 |
WARREN NELSON LESTER |
|
| 207 |
Knock-out mechanism for metal working presses |
US62957032 |
1932-08-20 |
US1915531A |
1933-06-27 |
IRMIS BENJAMIN E |
|
| 208 |
Material transferring mechanism |
US52204131 |
1931-03-12 |
US1884211A |
1932-10-25 |
GOMERT POWELL |
|
| 209 |
Apparatus for automatic expulsion of worked articles from stamping power presses |
US54926331 |
1931-07-07 |
US1876161A |
1932-09-06 |
DONATO ZAZZARA |
|
| 210 |
Knock-out means for presses |
US19737727 |
1927-06-08 |
US1674925A |
1928-06-26 |
SEIDEL FRED C |
|
| 211 |
Press and similar machine |
US72074324 |
1924-06-18 |
US1569323A |
1926-01-12 |
HOFFER LE ROY H |
|
| 212 |
Power press |
US28170319 |
1919-03-10 |
US1505099A |
1924-08-19 |
LAYMAN FRANK E |
|
| 213 |
Air-blast pressure attachment for presses |
US32432019 |
1919-09-18 |
US1337000A |
1920-04-13 |
WILLIAM COTTRELL |
|
| 214 |
Punching-machiue |
US1305766D |
|
US1305766A |
1919-06-03 |
|
|
| 215 |
Feed mechanism for box-shuck machines. |
US1914836108 |
1914-05-04 |
US1203912A |
1916-11-07 |
SCHAFER FRANK |
|
| 216 |
Ejecting mechanism for presses. |
US1913782588 |
1913-08-02 |
US1108898A |
1914-09-01 |
GARRATT JAMES H |
|
| 217 |
Attachment for drop-hammers. |
US1904229539 |
1904-10-22 |
US787339A |
1905-04-11 |
MASSA ROBERT FALCONER |
|
| 218 |
Punch. |
US1903162288 |
1903-06-19 |
US787052A |
1905-04-11 |
ROSS WILLIAM |
|
| 219 |
Machine for sawing bars of iron into lengths. |
US1900033342 |
1900-10-17 |
US678940A |
1901-07-23 |
CHARLTON RICHARD B |
|
| 220 |
Machine for swaging wire |
US597756D |
|
US597756A |
1898-01-25 |
|
|
