Inventor
Gregory M. Holtzapple
Inventor
Kent, OH, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Cprimary
B60CVehicle tyres28%
C08LCompositions of macromolecular compounds22%
Y02TClimate change mitigation technologies related to transportation22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
PatentTitleYear
6,581,659'Tire with silica-reinforced tread comprised of trans 1,4-polybutadiene, solution, SBR polyisoprene and defined amount of carbon black and amorphous silica'20035,718,781'Tire having silica reinforced rubber tread containing carbon fibers'19985,504,140'Tire with tread of elastomer composition'19965,300,577'Rubber blend and tire with tread thereof'19945,087,668'Rubber blend and tire with tread thereof'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2003Patents assigned to GOODYEAR TIRE & RUBBER (5)· patent assignee history
1992–2003Based in Kent, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOODYEAR TIRE & RUBBER | 5 | 1992–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kent, OH, US | 5 | 1992–2003 |