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John Hallsten — 4 Patents

HAHallsten: 1 patents #4 of 6Top 70%
Sacramento, CA: #294 of 1,687 inventorsTop 20%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Hallsten has been granted 4 US patents while listed as an inventor at Hallsten. The first was granted in 1991 and the most recent in December 1998. John Hallsten ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Hallsten in Sacramento, CA, US.

Patents per Year

Patents granted per year, 1991 to 1998Bar chart with a peak of 2 patents in 1994.peak 21991: 1 patents19911994: 2 patents19941998: 1 patents1998

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5845594 Dock structure Roland Wright, Jeffrey A. Hallsten 1998-12-08
5325646 Tank cover structure Jeffrey A. Hallsten 1994-07-05
D345222 Extruded metal plank for an interlocking field-erectable deck or cover structure Jeffrey A. Hallsten 1994-03-15
5050361 Deck structure — 1991-09-24

Frequent Collaborators

Jeffrey A. Hallsten3 shared
Roland Wright1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4