Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HF

Howard A. Fromson — 69 Patents

UNUnknown: 37 patents #51 of 83,584Top 1%
ANAnocoil: 20 patents #1 of 11Top 10%
Weston, CT: #3 of 210 inventorsTop 2%
Connecticut: #252 of 34,797 inventorsTop 1%
Overall (All Time): #30,361 of 4,157,543Top 1%
69 Patents All Time

Issued Patents All Time

Showing 51–69 of 69 patents

Patent #TitleCo-InventorsDate
5301578 Method and apparatus for cutting a continuous material to length 1994-04-12
5267776 Modular chair 1993-12-07
5069948 Structural unit having hingedly connected tetrahedrons 1991-12-03
5045430 Method for making printing plates and assembly useful therein Dale R. Shackle, Michael J. Cousin, Gerhart Schwab, Christina M. Narrick 1991-09-03
4865699 Process and apparatus for anodizing aluminum Robert F. Gracia 1989-09-12
4731317 Laser imagable lithographic printing plate with diazo resin Robert F. Gracia 1988-03-15
4645730 Lithographic printing plate with resin reinforced image Robert F. Cracia 1987-02-24
4507349 Security medium and secure articles and methods of making same Robert F. Gracia 1985-03-26
4501810 Lithographic printing plate with resin reinforced image and process Robert F. Gracia 1985-02-26
4451145 Apparatus and process for making lithographic printing plate with reinforced image Robert F. Gracia 1984-05-29
4414315 Process for making lithographic printing plate Robert F. Gracia 1983-11-08
4396284 Apparatus for making lithographic printing plates Robert F. Gracia 1983-08-02
4391897 Diazo lithographic printing plate developing process Robert F. Gracia 1983-07-05
4338007 Apparatus and process for making lithographic printing plate with reinforced image Robert F. Gracia 1982-07-06
4334769 Apparatus for making a lithographic printing plate with reinforced image Robert F. Gracia 1982-06-15
4285276 Method for printing employing lithographic fountain dampening solution Robert F. Gracia 1981-08-25
4277555 Aluminum lithographic plate with visible image and process Robert F. Gracia 1981-07-07
4201821 Decorated anodized aluminum article Robert F. Gracia 1980-05-06
4183788 Process for graining an aluminum base lithographic plate and article thereof Robert F. Gracia 1980-01-15