Inventor
JOHN W. CALLAHAN
Inventor
US
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| POLARIS INC | 3 | 2021–2024 |
| POLARIS INDUSTIES INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 3 | 2021–2024 |