Inventor

Randall K. Hamilton

Inventor

Beaconsfield, CA

Overview

2→

Patents

2000–2021

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 2 as inventor

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

E04Bprimary

E04BGeneral building constructions17%

E05DHinges or suspension devices for doors, windows or wings17%

E05FDevices for moving wings into open or closed position17%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof17%

E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates17%

H02HEmergency protective circuit arrangements17%

PatentTitleYear

10,975,605Lifting apparatus for a flexible divider2021 6,108,180'Multi-grounded neutral electrical isolation between utility secondary low-voltage power service and high-voltage transmission structures'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to WILSON HAMILTON & SEVERINO ENG (1)· patent assignee history

2000Based in Tucson, AZ, US· patent location history

2021Patents assigned to SEAWAY PLASTICS LTD (1)· patent assignee history

2021Based in Beaconsfield, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEAWAY PLASTICS LTD	1	2021
WILSON HAMILTON & SEVERINO ENG	1	2000

Locations

Location	Patents	Span
Beaconsfield, CA	1	2021
Tucson, AZ, US	1	2000