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Inventor

Grant David Purvis

Inventor
Miramar, NZ

Overview

4→
Patents
1987–2001
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A46Bprimary
A46BBrushes25%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body25%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing25%
LOC2825%
PatentTitleYear
6,283,930'Travel massage brush'20016,071,215'Multi-mode exercise machine'2000D0406650'Massage brush'1999D0291029'Brush'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to GROUT RAYMOND F (1)· patent assignee history
1987Patents assigned to HARRISON GRANT (1)· patent assignee history
1987Patents assigned to PURVIS GRANT D (1)· patent assignee history
1987–2001Based in Miramar, NZ· patent location history
1999Patents assigned to HEADWATERS RES & DEVELOPMENT INC (1)· patent assignee history
2001Patents assigned to HEADWATERS RES & DEV INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GROUT RAYMOND F11987
HARRISON GRANT11987
HEADWATERS RES & DEV INC12001
HEADWATERS RES & DEVELOPMENT INC11999
PURVIS GRANT Dself11987
Locations
LocationPatentsSpan
Miramar, NZ41987–2001