| 81 |
Lead screw means with half-nut engageable when in alignment with lead screw threads |
US72522358 |
1958-03-31 |
US3026549A |
1962-03-27 |
HARTSHORN DERICK S |
|
| 82 |
Apparatus for cutting uniform pitch threads on a blank of cylindrical and conical configuration |
US59415056 |
1956-06-27 |
US2979741A |
1961-04-18 |
ALFRED BECK |
|
| 83 |
Apparatus for trimming sequentially the opposite ends of an elongated workpiece |
US32268352 |
1952-11-26 |
US2881452A |
1959-04-14 |
KLOOZ PAUL W |
|
| 84 |
Formation of fastener elements having interrupted threads |
US40533854 |
1954-01-21 |
US2838775A |
1958-06-17 |
FARRAR JACK R; LENTZ GUY E |
|
| 85 |
Machine for producing fine pitch screw threads for use in the production of diffraction gratings |
US54059155 |
1955-10-14 |
US2829389A |
1958-04-08 |
ALFRED SAYCE LEONARD |
|
| 86 |
Surface finishing mechanism |
US35231553 |
1953-04-30 |
US2728171A |
1955-12-27 |
O'NEILL JOSEPH E |
|
| 87 |
Chuck |
US31915240 |
1940-02-15 |
US2253106A |
1941-08-19 |
BRODD CHARLES G |
|
| 88 |
Method of making pipe plugs |
US47254630 |
1930-08-02 |
US1851127A |
1932-03-29 |
HARRINGTON MOORE; GRINNELL WALTER H |
|
| 89 |
Chuck arrangement |
US16107627 |
1927-01-14 |
US1771738A |
1930-07-29 |
LEONARD SWENDSEN DAVID |
|
| 90 |
johnson |
US1732558D |
|
US1732558A |
1929-10-22 |
|
|
| 91 |
Arrangement for manufacturing of screws |
US16107527 |
1927-01-14 |
US1718498A |
1929-06-25 |
LEONARD SWENDSEN DAVID |
|
| 92 |
Bolt pointing and threading machine |
US64518623 |
1923-06-13 |
US1718239A |
1929-06-25 |
KINNEY JAMES A |
|
| 93 |
Automatic statbolt threading machine |
US1666732D |
|
US1666732A |
1928-04-17 |
|
|
| 94 |
Method of forming screw threads |
US61987823 |
1923-02-19 |
US1656592A |
1928-01-17 |
MERRIFIELD JOHN D |
|
| 95 |
Reversing mechanism for machine tools |
US10695626 |
1926-05-05 |
US1648820A |
1927-11-08 |
PHILLIPS FREDERICK E |
|
| 96 |
Chucking attachment for threading machines |
US47245721 |
1921-05-25 |
US1484662A |
1924-02-26 |
HACKLEY MORRISON |
|
| 97 |
Attachment for drill presses |
US46606421 |
1921-05-02 |
US1480494A |
1924-01-08 |
BESSLER FRANK E |
|
| 98 |
Automatic chuck for screw machines |
US38288920 |
1920-05-20 |
US1425226A |
1922-08-08 |
WHITMAN CHARLES F |
|
| 99 |
Machine-controlling treadle |
US40997320 |
1920-09-13 |
US1409000A |
1922-03-07 |
HARVEY HUBBELL |
|
| 100 |
Lathe |
US37895220 |
1920-05-05 |
US1398731A |
1921-11-29 |
HAROLD LLOYD ARTHUR |
|
