Richard D. Ingalls

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Spokane, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for reproducing one or more target colors on photographic pa...
- Patent number 4,522,491
- Issue date Jun 11, 1985
- Marjorie D. Ingalls
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for preparation of a color proof from a set of color separat...
- Patent number 4,425,417
- Issue date Jan 10, 1984
- Marjorie D. Ingalls
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color reference data base and method of preparing same
- Patent number 4,411,529
- Issue date Oct 25, 1983
- Marjorie D. Ingalls
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS