Inventor
John W. Krawczyk
Inventor
Richmond, KY, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters52%
B81BMicrostructural devices or systems, e.g. micromechanical devices19%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems19%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
G01DMeasuring not specially adapted for a specific variable4%
PatentTitleYear
7,938,975'Method for making a micro-fluid ejection device'20117,850,284'Method for dry etching fluid feed slots in a silicon substrate'20107,766,455'Flexible adhesive materials for micro-fluid ejection heads and methods relating thereto'20107,767,103'Micro-fluid ejection assemblies'20107,560,223'Fluid ejection device structures and methods therefor'20097,560,039'Methods of deep reactive ion etching'20097,524,430'Fluid ejection device structures and methods therefor'20097,438,392'Microfluidic substrates having improved fluidic channels'20087,413,915'Micro-fluid ejection head containing reentrant fluid feed slots'20087,344,994'Multiple layer etch stop and etching method'20087,273,266'Micro-fluid ejection assemblies'20077,271,104'Method for dry etching fluid feed slots in a silicon substrate'20077,271,105'Method for making a micro-fluid ejection device'20077,202,178'Micro-fluid ejection head containing reentrant fluid feed slots'20077,041,226'Methods for improving flow through fluidic channels'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2011Patents assigned to LEXMARK INT INC (15)· patent assignee history
2006–2008Based in Lexington, KY, US· patent location history
2007–2011Based in Richmond, KY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 15 | 2006–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richmond, KY, US | 13 | 2007–2011 |
| Lexington, KY, US | 2 | 2006–2008 |