David D. Chapman

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Transaction analyzer
- Patent number 4,752,928
- Issue date Jun 21, 1988
- Tektronix, Inc.
- David D. Chapman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Variable tracking word recognizer for detecting the occurrence of a...
- Patent number 4,748,556
- Issue date May 31, 1988
- Tektronix, Inc.
- Gerd H. Hoeren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Retargetable buffer probe
- Patent number 4,701,696
- Issue date Oct 20, 1987
- Tektronix, Inc.
- David W. Bogardus
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus including a programmable set-up and hold feature
- Patent number 4,541,100
- Issue date Sep 10, 1985
- Tektronix, Inc.
- Steven R. Sutton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Logic analyzer for a multiplexed digital bus
- Patent number 4,434,488
- Issue date Feb 28, 1984
- Tektronix, Inc.
- Steven R. Palmquist
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-speed logic analyzer
- Patent number 4,425,643
- Issue date Jan 10, 1984
- Tektronix, Inc.
- David D. Chapman
- G06 - COMPUTING CALCULATING COUNTING