Inventor
John R. Spirk
Inventor
Moreland Hills, OH, US
Overview
1→
Patents
1987
Patent span
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
PatentTitleYear
D0291583'Stacking toy or the like'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to DART IND INC (1)· patent assignee history
1987Based in Moreland Hills, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DART IND INC | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Moreland Hills, OH, US | 1 | 1987 |