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Inventor

Charles Shearer

Inventor
Granger, IN, US

Overview

2→
Patents
2003–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Bprimary
A61BDiagnosis17%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body17%
C09DCoating compositions, e.g. paints, varnishes or lacquers17%
G02BOptical elements, systems or apparatus17%
G02CSpectacles17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
10,945,599System and method for vision testing and/or training20216,506,823'Nitrocellulose based coating compositions'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to RAFFI & SWANSON INC (1)· patent assignee history
2003Based in Acton, MA, US· patent location history
2021Patents assigned to BERTEC CORP (1)· patent assignee history
2021Based in Granger, IN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BERTEC CORP12021
RAFFI & SWANSON INC12003
Locations
LocationPatentsSpan
Granger, IN, US12021
Acton, Massachusetts, US12003