David E Barr
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 34 Total Citation Count
- Dec 19, 2012 Most Recent Filing
- Jun 21, 2006 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| EDGECRAFT CORPORATION | 1
| 2006
|
Inventor Addresses
| Address | Duration |
|---|---|
| Christiana, PA | May 29, 07 - May 29, 07 |
| Fredericksburg, VA, US | Sep 30, 14 - Sep 30, 14 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B25H: | WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS | 1 |
| B41K: | STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 8844440 | 2014 | Aperture marking system and method of marking surface | 1 |
| D543430 | 2007 | Electric knife sharpener | 32 |
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