Crayon manipulation devices
US-10471622-B2 · Nov 12, 2019 · US
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Volzer David patents
Volzer David is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Volzer David |
| Total patents | 5 |
| First publication | Dec 14, 2017 |
| Latest publication | Nov 12, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Pixel art crayon and marker photo array assembly and kit
US-10471617-B2 · Nov 12, 2019 · US
Pixel art crayon and marker photo array assembly and kit
US-2018065265-A1 · Mar 8, 2018 · US
Mess-free sand play device
US-2017354898-A1 · Dec 14, 2017 · US
Crayon manipulation devices
US-2017355093-A1 · Dec 14, 2017 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Crayola Llc | 5 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B44C3/12 | 2 |
| B44B9/00 | 2 |
| B26D2001/002 | 2 |
| B43K23/016 | 2 |
| B26D1/0006 | 2 |