David A. Gradl

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Des Plaines, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Passive transient recording systems
- Patent number 4,521,752
- Issue date Jun 4, 1985
- Q-Dot, Inc.
- David A. Gradl
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High speed transient recorder systems
- Patent number 4,393,357
- Issue date Jul 12, 1983
- Q-Dot, Inc.
- Thomas E. Linnenbrink
- G11 - INFORMATION STORAGE
Information Patent Grant
Transient data recorder systems
- Patent number 4,340,874
- Issue date Jul 20, 1982
- Q-Dot, Inc.
- Thomas E. Linnenbrink
- G11 - INFORMATION STORAGE
Information Patent Grant
Transient data recorder systems
- Patent number 4,314,212
- Issue date Feb 2, 1982
- Q-Dot, Inc.
- David A. Gradl
- G11 - INFORMATION STORAGE