Inventor
Gary F. Ruff
Inventor
Farmington Hills, MI, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Dprimary
B22DCasting of metals63%
A61MDevices for introducing media into, or onto, the body13%
B22CFoundry moulding13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,630,409'Nebulizer and inhalation device containing same'19975,213,149'Mold and method for making variable thickness cast articles'19935,072,773'Mold and method for making variable hardness castings'19914,901,781'Method of casting a metal matrix composite'19904,865,113'Countergravity casting apparatus and process for casting thin-walled parts'19894,641,703'Countergravity casting mold and core assembly'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1990Patents assigned to GEN MOTORS CORP (3)· patent assignee history
1987Based in Saginaw, MI, US· patent location history
1989–1993Based in Farmington Hills, MI, US· patent location history
1991–1993Patents assigned to CMI INT INC (2)· patent assignee history
1997Based in West Chester, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 3 | 1987–1990 |
| CMI INT INC | 2 | 1991–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Farmington Hills, MI, US | 4 | 1989–1993 |
| West Chester, Pennsylvania, US | 1 | 1997 |
| Saginaw, MI, US | 1 | 1987 |