For the Inventor, By the Inventor

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Claymont, DE, United States of America

Quantum Development Corporation

USPTO Granted Patents = 3

Forward Citations = 189

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10 inventors (with patents filed for the assignee):

Joseph B Elad (2 out of 8 patents)

Apperson Hunter Johnson (2 out of 8 patents)

Daniel L Chester (2 out of 6 patents)

4. Irene H Philips (2 out of 4 patents)

5. Laurence A Kramer (2 out of 2 patents)

6. Susan M Zickus (2 out of 2 patents)

7. Jeffrey C Kirk (2 out of 2 patents)

8. Erwin M Saniga (2 out of 2 patents)

9. James S Watt (1 out of 3 patents)

10. William M Norman, Iii (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5511793 - Composite chess game and method (1996-04-30),

2. 5428712 - System and method for representing and solving numeric and symbolic (1995-06-27),

3. 5195172 - System and method for representing and solving numeric and symbolic (1993-03-16),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#3 in Claymont, DE

#986 in Delaware

#72,066 in US

Claymont, DE, United States of America

Quantum Development Corporation

Forward Citations = 189

10 inventors:

Joseph B Elad (2 out of 8 patents)

Apperson Hunter Johnson (2 out of 8 patents)

Daniel L Chester (2 out of 6 patents)

4. Irene H Philips (2 out of 4 patents)

5. Laurence A Kramer (2 out of 2 patents)

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