-
-
2630383
-
Patent number 2,630,383
-
Issue date Mar 3, 1953
-
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
-
2562587
-
Patent number 2,562,587
-
Issue date Jul 31, 1951
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
2192407
-
Patent number 2,192,407
-
Issue date Mar 5, 1940
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
1987830
-
Patent number 1,987,830
-
Issue date Jan 15, 1935
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1979175
-
Patent number 1,979,175
-
Issue date Oct 30, 1934
-
B24 - GRINDING POLISHING
-
1941840
-
Patent number 1,941,840
-
Issue date Jan 2, 1934
-
B24 - GRINDING POLISHING
-
1907319
-
Patent number 1,907,319
-
Issue date May 2, 1933
-
B24 - GRINDING POLISHING
-
1830053
-
Patent number 1,830,053
-
Issue date Nov 3, 1931
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1773176
-
Patent number 1,773,176
-
Issue date Aug 19, 1930
-
B24 - GRINDING POLISHING
-
1745602
-
Patent number 1,745,602
-
Issue date Feb 4, 1930
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1705440
-
Patent number 1,705,440
-
Issue date Mar 12, 1929
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1687329
-
Patent number 1,687,329
-
Issue date Oct 9, 1928
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1673913
-
Patent number 1,673,913
-
Issue date Jun 19, 1928
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1634708
-
Patent number 1,634,708
-
Issue date Jul 5, 1927
-
B24 - GRINDING POLISHING
-
1599298
-
Patent number 1,599,298
-
Issue date Sep 7, 1926
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1506078
-
Patent number 1,506,078
-
Issue date Aug 26, 1924
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1505309
-
Patent number 1,505,309
-
Issue date Aug 19, 1924
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1501269
-
Patent number 1,501,269
-
Issue date Jul 15, 1924
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1499345
-
Patent number 1,499,345
-
Issue date Jul 1, 1924
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1466216
-
Patent number 1,466,216
-
Issue date Aug 28, 1923
-
B24 - GRINDING POLISHING
-
1443079
-
Patent number 1,443,079
-
Issue date Jan 23, 1923
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1417584
-
Patent number 1,417,584
-
Issue date May 30, 1922
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1364625
-
Patent number 1,364,625
-
Issue date Jan 4, 1921
-
B24 - GRINDING POLISHING
-
1333054
-
Patent number 1,333,054
-
Issue date Mar 9, 1920
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1314125
-
Patent number 1,314,125
-
Issue date Aug 26, 1919
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1299137
-
Patent number 1,299,137
-
Issue date Apr 1, 1919
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1130914
-
Patent number 1,130,914
-
Issue date Mar 9, 1915
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1130716
-
Patent number 1,130,716
-
Issue date Mar 9, 1915
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
1106894
-
Patent number 1,106,894
-
Issue date Aug 11, 1914
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE