William C. Bryan — 2 Patents at Triangle Research & Development

William C. Bryan has been granted 2 US patents while listed as an inventor at Triangle Research & Development. The first was granted in 1988 and the most recent in November 1993. William C. Bryan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William C. Bryan in Calabasas, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5261394	Percussive aid for the treatment of chronic lung disease	James C. Mulligan, David P. Colvin, Virginia S. Colvin, Benjamin T. Gravely, Charles J. Lord +2 more	1993-11-16
4778172	Animal head	—	1988-10-18

William C. Bryan — 2 Patents

Issued Patents All Time

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