William K. Letson — 2 Patents at Unknown

William K. Letson has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2005 and the most recent in January 2017. William K. Letson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William K. Letson in Lisbon, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
9546507	Safety bolt device and system	—	2017-01-17
6845516	Wacker chaps	Cheryl Ann Letson	2005-01-25

William K. Letson — 2 Patents

Issued Patents All Time

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