Inventor

David Chesley

Inventor
Duxbury, MA, US

Overview

7→
Patents
1994–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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

A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons15%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials15%
F25CProducing, working or handling ice15%
F25DRefrigerators15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
G09FDisplaying8%
LOC208%
LOC238%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Based in Pepperell, MA, US· patent location history
2008–2013Patents assigned to LIFTSEAT CORP (3)· patent assignee history
2008–2021Based in Duxbury, MA, US· patent location history
2011–2020Patents assigned to CHESLEY DAVID (3)· patent assignee history
2011–2020Patents assigned to PETERSON DANIEL A (3)· patent assignee history
2011–2013Patents assigned to HARTMAN JOHN DAVID (2)· patent assignee history
2020–2021Patents assigned to ASPEN ICE LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHESLEY DAVIDself32011–2020
LIFTSEAT CORP32008–2013
PETERSON DANIEL A32011–2020
ASPEN ICE LLC22020–2021
HARTMAN JOHN DAVID22011–2013
Locations
LocationPatentsSpan
Duxbury, Massachusetts, US62008–2021
Pepperell, Massachusetts, US11994