William E. Pratt — 4 Patents at Apple

William E. Pratt has been granted 4 US patents while listed as an inventor at Apple. The first was granted in 1990 and the most recent in August 2014. William E. Pratt ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list William E. Pratt in Englewood, CO, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
8801909	Polymetal hydroxychloride processes and compositions: enhanced efficacy antiperspirant salt compositions	Joseph Stevens, Peter Symons	2014-08-12
7846318	Polyaluminum chloride and aluminum chlorohydrate, processes and compositions: high-basicity and ultra high-basicity products	Joseph Stevens, Peter Symons	2010-12-07
6548689	Aluminum compounds and process of making the same	—	2003-04-15
4964955	Method of reducing pitch in pulping and papermaking operations	Richard S. Lamar, Kenneth E. Weber, Robert E. Roeder	1990-10-23

William E. Pratt — 4 Patents

Issued Patents All Time

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