Inventor
Jack Calvin Holman
Inventor
San Leandro, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Cprimary
B63CLaunching, hauling-out, or dry-docking of vessels25%
G01CMeasuring distances, levels or bearings25%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
PatentTitleYear
10,422,781Dive computers with multiple diving modes20199,733,227'Dive computer with free dive mode and wireless data transmission'20179,254,900'Dive computer with free dive mode and wireless data transmission'20168,600,701'Dive computer with free dive mode'20137,797,124'Dive computer with free dive mode and wireless data transmission'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010Patents assigned to AMERICAN UNDERWATER PRODUCTS I (1)· patent assignee history
2010–2019Based in San Leandro, CA, US· patent location history
2013–2016Patents assigned to AMERICAN UNDERWATER PRODUCTS INC (2)· patent assignee history
2013Patents assigned to HOLLIS MICHAEL S (1)· patent assignee history
2013Patents assigned to HOLLIS ROBERT (1)· patent assignee history
2016–2019Patents assigned to PELAGIC PRESSURE SYSTEMS CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PELAGIC PRESSURE SYSTEMS CORP | 3 | 2016–2019 |
| AMERICAN UNDERWATER PRODUCTS INC | 2 | 2013–2016 |
| AMERICAN UNDERWATER PRODUCTS I | 1 | 2010 |
| HOLLIS MICHAEL S | 1 | 2013 |
| HOLLIS ROBERT | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Leandro, California, US | 5 | 2010–2019 |