Inventor
David B. Wallace
Inventor
Dallas, TX, US
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters23%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
B23KSoldering or unsoldering6%
A61BDiagnosis5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B01LChemical or physical laboratory apparatus for general use5%
Y10TTechnical subjects covered by former us classification5%
A61MDevices for introducing media into, or onto, the body4%
G06KGraphical data reading4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
PatentTitleYear
10,582,989Oral hygiene device202010,225,995Canopy hoist20199,295,202'Automated canopy greenhouse'20167,228,199'Bulk inventory network system'20077,092,897'Bulk inventory network system'20066,672,129'Method for calibrating a sensor for measuring concentration of odors'20046,620,283'Method for fabricating laminated carrier for collecting interstitial fluid from the skin'20036,390,453'Method and apparatus for delivery of fragrances and vapors to the nose'20026,366,829'Bulk inventory network system (BINS)'20026,338,715'Digital olfactometer and method for testing olfactory thresholds'20026,334,851'Method for collecting interstitial fluid from the skin'20026,334,980'Flexible apparatus with ablation formed chamber(s) for conducting bio-chemical analyses'20026,325,475'Devices for presenting airborne materials to the nose'20016,170,930'Method for producing gradient tonal representation and a printhead for producing the same'20016,029,896'Method of drop size modulation with extended transition time waveform'20005,849,208'Making apparatus for conducting biochemical analyses'19985,772,106'Printhead for liquid metals and method of use'19985,736,314'Inline thermo-cycler'19985,721,123'Methods and apparatus for direct heating of biological material'19985,658,802'Method and apparatus for making miniaturized diagnostic arrays'19975,643,353'Controlling depoling and aging of piezoelectric transducers'19975,621,442'Enhanced UU type ink jet printheads'19975,581,286'Multi-channel array actuation system for an ink jet printhead'19965,554,247'Method of manufacturing a high density ink jet printhead array'19965,521,618'Dual element switched digital drive system for an ink jet printhead'19965,461,403'Droplet volume modulation techniques for ink jet printheads'19955,436,648'Switched digital drive system for an ink jet printhead'19955,433,809'Method of manufacturing a high density ink jet printhead'19955,415,679'Methods and apparatus for forming microdroplets of liquids at elevated temperatures'19955,406,319'Enhanced U type ink jet printheads'19955,402,162'Integrated multi-color ink jet printhead'19955,400,064'High density ink jet printhead with double-U channel actuator'19955,373,314'Ink jet print head'19945,235,352'High density ink jet printhead'19935,229,016'Method and apparatus for dispensing spherical-shaped quantities of liquid solder'19935,227,813'Sidewall actuator for a high density ink jet printhead'19934,877,745'Apparatus and process for reagent fluid dispensing and printing'19894,812,856'Method and apparatus for dispensing a fluid with dispersed particles therein'19894,490,729'Ink jet printer'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2004Based in Dallas, TX, US· patent location history
1989–2004Patents assigned to MICROFAB TECH INC (15)· patent assignee history
1993–2001Patents assigned to COMPAQ COMPUTER CORP (14)· patent assignee history
2002–2007Patents assigned to J P DONMOYER INC (3)· patent assignee history
2002–2007Based in Mechanicsburg, PA, US· patent location history
2016–2019Patents assigned to VALLOTTON MATTHEW AARON (2)· patent assignee history
2016–2019Patents assigned to WALLACE DAVID (2)· patent assignee history
2016–2019Based in Petrolia, CA, US· patent location history
2020Based in Salt Lake City, UT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MICROFAB TECH INC | 15 | 1989–2004 |
| COMPAQ COMPUTER CORP | 14 | 1993–2001 |
| J P DONMOYER INC | 3 | 2002–2007 |
| VALLOTTON MATTHEW AARON | 2 | 2016–2019 |
| WALLACE DAVIDself | 2 | 2016–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dallas, Texas, US | 33 | 1984–2004 |
| Mechanicsburg, Pennsylvania, US | 3 | 2002–2007 |
| Petrolia, California, US | 2 | 2016–2019 |
| Salt Lake City, UT, US | 1 | 2020 |