Inventor

David Boyd

Inventor
Roanoke, VA, US

Overview

9→
Patents
2004–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

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

B29Dprimary
B29DProducing particular articles from plastics or from substances in a plastic state23%
G02CSpectacles15%
H01RElectrically-conductive connections15%
H02JElectric power networks15%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
Y10TTechnical subjects covered by former us classification8%
B29CShaping or joining of plastics4%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
G02BOptical elements, systems or apparatus4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to DTQ PROPERTIES LLC (1)· patent assignee history
2004Based in Palm Harbor, FL, US· patent location history
2015–2019Patents assigned to MITSUI CHEMICALS INC (5)· patent assignee history
2015Patents assigned to BOYD DAVID (1)· patent assignee history
2015Patents assigned to HALL ROBERT S (1)· patent assignee history
2015–2020Based in Roanoke, VA, US· patent location history
2018–2020Patents assigned to E VISION LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI CHEMICALS INC52015–2019
E VISION LLC22018–2020
BOYD DAVIDself12015
DTQ PROPERTIES LLC12004
HALL ROBERT S12015
Locations
LocationPatentsSpan
Roanoke, Virginia, US82015–2020
Palm Harbor, Florida, US12004