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USPTO Patent Rankings Data through Dec 31, 2025
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Robert S. Hamas — 9 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Pittsburgh, PA: #922 of 7,570 inventorsTop 15%
Pennsylvania: #9,298 of 74,527 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Robert S. Hamas has been granted 9 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in July 2015. Robert S. Hamas ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Robert S. Hamas in Pittsburgh, PA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9084668 Packaging for sterile implant 2015-07-21
8556968 Breast implant with low coefficient of friction between internal shells in an aqueous fluid environment Dwight D. Back, Kevin Yacoub 2013-10-15
6802861 Structured breast implant 2004-10-12
6053927 Apparatus and method for implant removal 2000-04-25
5496370 Gel-like prosthetic device 1996-03-05
4671916 Method of indentifying instruments as belonging to a set 1987-06-09
4531244 Mammary prosthesis with multiple flow spaces 1985-07-30
4264990 Mammary prosthesis 1981-05-05
4180871 Pre-centered total wrist prosthesis 1980-01-01