PH

Percy H. Hill

Johnson & Johnson: 1 patents #4,762 of 7,810Top 65%
🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #1,059,077 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5228465 Hair clamp 1993-07-20
4672706 Toothbrush 1987-06-16
4671302 Hair clamp 1987-06-09
D285263 Handle for toothbrush or flossing aid 1986-08-26
D255511 Toothbrush John G. Kreifeldt 1980-06-24