Keeling & Walker Limited

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Denver, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Compositions and methods and uses relating thereto
- Patent number 11,292,914
- Issue date Apr 5, 2022
- Keeling & Walker, Limited
- Dieter Guhl
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Security printing
- Patent number 10,259,255
- Issue date Apr 16, 2019
- Inovink Limited
- David Malcolm Lewis
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Production of refractory articles
- Patent number 4,053,320
- Issue date Oct 11, 1977
- Keeling & Walker Limited
- John Peter Hugh Williamson
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Production of calcined ceramic pigments
- Patent number 4,047,970
- Issue date Sep 13, 1977
- Keeling and Walker, Limited
- Harry Augustus Morriss
- C01 - INORGANIC CHEMISTRY

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Patents Applicationslast 30 patents

Information Patent Application
Security Printing
- Publication number 20230131527
- Publication date Apr 27, 2023
- Keeling & Walker, Limited
- Anna DOBROWOLSKA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Compositions and Methods and Uses Relating Thereto
- Publication number 20200095426
- Publication date Mar 26, 2020
- Keeling & Walker, Limited
- Dieter Guhl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SECURITY PRINTING
- Publication number 20160243877
- Publication date Aug 25, 2016
- INOVINK LIMITED
- David Malcolm LEWIS
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER