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Chris E. Rusk

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  • Crawfordsville, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing aid
    • Patent number 4,832,604
    • Issue date May 23, 1989
    • Chris E. Rusk
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Writing aid
    • Patent number 4,689,020
    • Issue date Aug 25, 1987
    • Chris E. Rusk
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Writing aid and method of teaching using the writing aid
    • Patent number 4,526,547
    • Issue date Jul 2, 1985
    • Chris E. Rusk
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents