JH

Jack Calvin Holman

PS Pelagic Pressure Systems: 3 patents #4 of 7Top 60%
AP American Underwater Products: 2 patents #4 of 11Top 40%
📍 San Leandro, CA: #125 of 574 inventorsTop 25%
🗺 California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #993,991 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10422781 Dive computers with multiple diving modes Robert R. Hollis, Michael S. Hollis 2019-09-24
9733227 Dive computer with free dive mode and wireless data transmission Robert R. Hollis, Michael S. Hollis 2017-08-15
9254900 Dive computer with free dive mode and wireless data transmission Robert R. Hollis, Michael S. Hollis 2016-02-09
8600701 Dive computer with free dive mode Robert R. Hollis, Michael S. Hollis 2013-12-03
7797124 Dive computer with free dive mode and wireless data transmission Robert R. Hollis, Michael S. Hollis 2010-09-14