Inventor
David C. McElroy
Inventor
South Pasadena, CA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOCD2primary
LOCD250%
A63HToys, e.g. tops, dolls, hoops or building blocks17%
B62DMotor vehicles17%
LOCD117%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to SYCOR INC (1)· patent assignee history
1978Based in St. Clair Shores, MI, US· patent location history
1980Patents assigned to ALLIS CHALMERS (1)· patent assignee history
1980Based in Pasadena, CA, US· patent location history
1981–1983Patents assigned to WHAM O MFG CO (3)· patent assignee history
1981–1996Based in South Pasadena, CA, US· patent location history
1996Patents assigned to MATTEL INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WHAM O MFG CO | 3 | 1981–1983 |
| ALLIS CHALMERS | 1 | 1980 |
| MATTEL INC | 1 | 1996 |
| SYCOR INC | 1 | 1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| South Pasadena, California, US | 4 | 1981–1996 |
| Pasadena, California, US | 1 | 1980 |
| St. Clair Shores, MI, US | 1 | 1978 |