LexDanaLexDanabeta
Inventor

Thomas W. Griffiths

Inventor
Lexington, OH, US

Overview

4→
Patents
1986–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B60Lprimary
B60LPropulsion of electrically-propelled vehicles29%
B29CShaping or joining of plastics14%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering14%
B41JTypewriters14%
H01HElectric switches14%
Y02TClimate change mitigation technologies related to transportation14%
PatentTitleYear
11,097,488Printer having print assembly20214,723,117'Fuse assembly'19884,634,817'Trolley pole raising and lowering apparatus'19874,567,335'High speed trolley harp assembly'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to HUBBELL INC HARVEY (2)· patent assignee history
1986–1988Based in Lexington, OH, US· patent location history
1988Patents assigned to HUBBELL INC (1)· patent assignee history
2021Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (1)· patent assignee history
2021Based in Brush Prairie, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUBBELL INC HARVEY21986–1987
HEWLETT PACKARD DEVELOPMENT CO12021
HUBBELL INC11988
Locations
LocationPatentsSpan
Lexington, OH, US31986–1988
Brush Prairie, Washington, US12021