William K. Shaffer — 1 Patent at 3M

William K. Shaffer has been granted 1 US patent while listed as an inventor at 3M. All of these patents were granted in 2025. William K. Shaffer ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list William K. Shaffer in Monroe, NC, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12403337	SCBA with enhanced emergency breathing support system	Darrill L. Plummer, William E. Parson	2025-09-02

William K. Shaffer — 1 Patent

Issued Patents All Time

Patent Widget