William E. Maxwell — 2 Patents at Markem

William E. Maxwell has been granted 2 US patents while listed as an inventor at Markem. The first was granted in 1981 and the most recent in April 1996. William E. Maxwell ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William E. Maxwell in Keene, NH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5503070	Marking apparatus with detection of excessive marking pressure	James M. Cheever, Richard H. Frye, Gary F. Fowler, Edward E. Freyenhagen	1996-04-02
4271757	Rotary offset article printing system	Peter Jenness, III, Michael F. Potter	1981-06-09

William E. Maxwell — 2 Patents

Issued Patents All Time

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