| 61 |
Tanning of hides and skins |
US2773335 |
1935-06-21 |
US2125944A |
1938-08-09 |
MERRITT MATTHEW M |
|
| 62 |
Leather tanning |
US75421134 |
1934-11-22 |
US2044946A |
1936-06-23 |
CHARLES KANNEL |
|
| 63 |
Apparatus for conditioning material |
US59704332 |
1932-03-05 |
US1992007A |
1935-02-19 |
INGRAHAM ELMER C |
|
| 64 |
Art of tanning hides and skins |
US51102631 |
1931-01-24 |
US1971496A |
1934-08-28 |
MERRITT MATTHEW M |
|
| 65 |
Process of tanning hides |
US51992331 |
1931-03-04 |
US1887972A |
1932-11-15 |
VIKTOR WRANGE GEORG |
|
| 66 |
Machine for treating hides, skins, and leathers |
US41834830 |
1930-01-03 |
US1878420A |
1932-09-20 |
MERRITT MATTHEW M |
|
| 67 |
Tanning apparatus |
US42218330 |
1930-01-20 |
US1813744A |
1931-07-07 |
JONES ADRIAN S |
|
| 68 |
Paddle wheel for tanning apparatus |
US29048628 |
1928-07-05 |
US1767760A |
1930-06-24 |
ISIDORE HORWEEN |
|
| 69 |
Machine for treating hides, skins, leather, and other similar pieces of work |
US15204326 |
1926-12-01 |
US1760796A |
1930-05-27 |
CONSTANTIN SZMUKLER |
|
| 70 |
Leather-washing machine |
US64622023 |
1923-06-18 |
US1731564A |
1929-10-15 |
DE GRAFF ELLIS A |
|
| 71 |
Method for treating hides and skins |
US47116721 |
1921-05-20 |
US1724954A |
1929-08-20 |
MERRITT MATTHEW M |
|
| 72 |
Means for agitating washing, liming, or tanning solutions |
US66461323 |
1923-09-24 |
US1620317A |
1927-03-08 |
RALPH BAXTER BENJAMIN |
|
| 73 |
Tanning apparatus |
US55776422 |
1922-05-01 |
US1480697A |
1924-01-15 |
SHAW WILLIAM S |
|
| 74 |
Apparatus for treating hides and the like |
US25656118 |
1918-10-02 |
US1472999A |
1923-11-06 |
HEBER TILSTON BASIL; THOMAS MELBOURNE |
|
| 75 |
Vittobio peradotto |
US1455655D |
|
US1455655A |
1923-05-15 |
|
|
| 76 |
Machine for treating hides and skins |
US43115120 |
1920-12-16 |
US1421662A |
1922-07-04 |
BOSSERT CHARLES P |
|
| 77 |
Apparatus for treating hides |
US42676520 |
1920-11-27 |
US1411249A |
1922-04-04 |
ALLHISER EDWARD J |
|
| 78 |
Apparatus for dipping hides or other articles |
US24240018 |
1918-06-28 |
US1359225A |
1920-11-16 |
BOSSERT CHARLES P |
|
