Inventor

John B. Lansberry

Inventor
Woodland, PA, US

Overview

11→
Patents
1981–2005
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

B62Dprimary
B62DMotor vehicles41%
A01GHorticulture12%
B60GVehicle suspension arrangements12%
E02FDredging12%
E21CMining or quarrying12%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1982Patents assigned to COALEX INC (2)· patent assignee history
1981–2005Based in Woodland, PA, US· patent location history
1995Patents assigned to STONE & WOOD INC (2)· patent assignee history
2000Patents assigned to TRACT A PILLAR TRACTOR CO INC (1)· patent assignee history
2001–2005Patents assigned to LANSBERRY TRACTOR COMPANY INC (4)· patent assignee history
2001Patents assigned to TRACT A PILLAR TRACTOR CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LANSBERRY TRACTOR COMPANY INC42001–2005
COALEX INC21981–1982
STONE & WOOD INC21995
TRACT A PILLAR TRACTOR CO12001
TRACT A PILLAR TRACTOR CO INC12000
Locations
LocationPatentsSpan
Woodland, Pennsylvania, US111981–2005