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Howard B. Marshall — 6 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
New York, NY: #3,367 of 20,192 inventorsTop 20%
New York: #23,374 of 115,490 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Howard B. Marshall has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 1987 and the most recent in June 2001. Howard B. Marshall ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Howard B. Marshall in New York, NY, US.

Patents per Year

Patents granted per year, 1987 to 2001Bar chart with a peak of 2 patents in 1988.peak 21987: 1 patents19871988: 2 patents19881989: 1 patents19891999: 1 patents19992001: 1 patents2001

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6250925 Dental prosthesis with multi-section infrastructure and method for replacement of teeth — 2001-06-26
5934907 Dental prosthesis with multi-section infrastructure and method for replacement of teeth — 1999-08-10
4871165 Portable friction resistant exercise device Gordon E. Kaye, Raymond J. Prohaska 1989-10-03
4779866 Portable friction resistant exercise device Gordon E. Kaye, Raymond J. Prohaska 1988-10-25
4775320 Method and apparatus for making a dental prosthesis and product therefrom Gordon E. Kaye, Ira L. Lopata 1988-10-04
4713005 Method and appratus for making a dental prosthesis and product therefrom Gordon E. Kaye, Ira L. Lopata 1987-12-15

Frequent Collaborators

Gordon E. Kaye4 shared
Raymond J. Prohaska2 shared
Ira L. Lopata2 shared

Nearby-Ranked Inventors

Aurélien Joulia6
Michael F. Vollero6
Stefano Fracassi6
Uwe Gruenbeck6
Alexander Matrosov6
Rouzbeh Behnia6
Carole Chapelat6
Mina Sedaghat6
Martinus Johannes Donatus Brakkee6