Joseph William Mitchell

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Montrose, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrolytic printing process with wear resistant electrode
- Patent number 4,415,905
- Issue date Nov 15, 1983
- International Business Machines Corporation
- Joseph W. Mitchell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrochemical printhead
- Patent number 4,371,273
- Issue date Feb 1, 1983
- International Business Machines Corporation
- Arthur H. Kendall
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for producing magnetic particles by vacuum evaporation of i...
- Patent number 4,113,521
- Issue date Sep 12, 1978
- International Business Machines Corporation
- Robert F. Bush
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Vector magnetic ink jet printer with stabilized jet stream
- Patent number 4,068,240
- Issue date Jan 10, 1978
- International Business Machines Corporation
- George Jee Fan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Water based magnetic inks and the manufacture thereof
- Patent number 4,026,713
- Issue date May 31, 1977
- International Business Machines Corporation
- Carlos Juan Sambucetti
- H01 - BASIC ELECTRIC ELEMENTS