Inventor
John W. Sondreal
Inventor
Norfolk, VA, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A43Bprimary
A43BCharacteristic features of footwear50%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing50%
PatentTitleYear
4,457,084'Hopping and dancing shoes'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to CHU HENRY (1)· patent assignee history
1984Patents assigned to HORIBATA HIROSHI (1)· patent assignee history
1984Patents assigned to SONDREAL JOHN W (1)· patent assignee history
1984Based in Norfolk, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHU HENRY | 1 | 1984 |
| HORIBATA HIROSHI | 1 | 1984 |
| SONDREAL JOHN Wself | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Norfolk, Virginia, US | 1 | 1984 |