Inventor

JOHN W. CALLAHAN

Inventor
US

Overview

3→
Patents
2021–2024
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Cprimary
G01CMeasuring distances, levels or bearings19%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes19%
G07CTime or attendance registers19%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles13%
G06FElectric digital data processing13%
H04LTransmission of digital information, e.g. telegraphic communication13%
G09BEducational or demonstration appliances6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2024Patents assigned to POLARIS INC (3)· patent assignee history
2021Patents assigned to POLARIS INDUSTIES INC (1)· patent assignee history
2021–2024Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POLARIS INC32021–2024
POLARIS INDUSTIES INC12021
Locations
LocationPatentsSpan
US32021–2024