Inventor

William T. Townsend

Inventor
Weston, MA, US

Overview

16→
Patents
1990–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 16 as inventor

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

B25Jprimary
B25JManipulators23%
Y10TTechnical subjects covered by former us classification18%
F16HGearing13%
C25DProcesses for the electrolytic or electrophoretic production of coatings10%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body8%
H02KDynamo-electric machines8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A61BDiagnosis5%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing3%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to MASSACHUSETTS INST TECHNOLOGY (3)· patent assignee history
1990–1993Based in Somerville, MA, US· patent location history
1994Patents assigned to BARRETT TECH INC (1)· patent assignee history
1994–2021Based in Weston, MA, US· patent location history
1995–2015Patents assigned to BARRETT TECHNOLOGY INC (7)· patent assignee history
2014–2015Patents assigned to TOWNSEND WILLIAM T (2)· patent assignee history
2018–2021Patents assigned to BARRETT TECH LLC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BARRETT TECHNOLOGY INC71995–2015
BARRETT TECH LLC32018–2021
MASSACHUSETTS INST TECHNOLOGY31990–1993
TOWNSEND WILLIAM Tself22014–2015
BARRETT TECH INC11994
Locations
LocationPatentsSpan
Weston, Massachusetts, US121994–2021
Somerville, Massachusetts, US41990–1993