William J. Proetta — 4 Patents at AT&T

William J. Proetta has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 1986 and the most recent in October 1987. William J. Proetta ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list William J. Proetta in Elburn, IL, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4698618	Keyboard with arrays of function keys	James G. Liuzzo	1987-10-06
4621782	Arrangement for mounting apparatus	Richard L. Carlson	1986-11-11
D285305	Keyboard housing	James G. Liuzzo, Gordon E. Sylvester, Alvin R. Tilley	1986-08-26
D285076	Video display terminal housing	Gordon E. Sylvester, Alvin R. Tilley	1986-08-12

William J. Proetta — 4 Patents

Issued Patents All Time

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