Inventor
Karl Christopherson
Inventor
Independence, KY, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Hprimary
A63HToys, e.g. tops, dolls, hoops or building blocks25%
F41BWeapons for projecting missiles without use of explosive or combustible propellant charge25%
LOC0625%
LOC2125%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2004Patents assigned to HASBRO INC (2)· patent assignee history
2000Based in Independence, KY, US· patent location history
2004Based in Warwick, RI, US· patent location history
2017Patents assigned to MATTEL INC (1)· patent assignee history
2017Based in Orchard Park, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HASBRO INC | 2 | 2000–2004 |
| MATTEL INC | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Independence, KY, US | 2 | 2000 |
| Orchard Park, New York, US | 1 | 2017 |
| Warwick, RI, US | 1 | 2004 |