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Inventor

DAVID J. CROWE

Inventor
US

Overview

4→
Patents
2023–2025
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.

A47Cprimary
A47CChairs14%
A47DFurniture specially adapted for children14%
A47KSanitary equipment14%
A47LDomestic washing or cleaning14%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing14%
B63BShips or other waterborne vessels14%
B63CLaunching, hauling-out, or dry-docking of vessels14%
PatentTitleYear
12,396,565Infant float2025D1051268Flotation device202412,035,807Infant float202411,666,153Infant float2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to SPIN MASTER INC (4)· patent assignee history
2023–2025Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SPIN MASTER INC42023–2025
Locations
LocationPatentsSpan
US42023–2025