William A. Howell — 6 Patents at Unknown

William A. Howell has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 1989 and the most recent in May 2023. William A. Howell ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list William A. Howell in Slidell, LA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
11661704	Dissolving wood pulps and methods of making and using the same	Arthur J. Nonni, Charles E. Courchene, Harry R. Bartges, James M. Keough, Jeremy Carter +4 more	2023-05-30
11105042	Dissolving wood pulps and methods of making and using the same	Arthur J. Nonni, Charles E. Courchene, Harry R. Bartges, James M. Keough, Jeremy Carter +4 more	2021-08-31
5518343	Dust-free powder substance delivery and filter system	—	1996-05-21
5435442	Dry fluid substance loading device	—	1995-07-25
5398813	Dry fluid substance loading device	—	1995-03-21
4844665	Portable industrial filter system	—	1989-07-04

William A. Howell — 6 Patents

Issued Patents All Time

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