Hewu Ma — 3 Patents at Cryomedical Sciences

Hewu Ma has been granted 3 US patents while listed as an inventor at Cryomedical Sciences. All of these patents were granted in 1999. Hewu Ma ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hewu Ma in Rockville, MD, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D414865	Hand held cryosurgical probe apparatus	John G. Baust, John M. Baust, Lawrence Pottorf, Roy Cheeks, Chao-Min Zhang +2 more	1999-10-05
5916212	Hand held cyrosurgical probe system	John G. Baust, John M. Baust, Lawrence Pottorf, Roy Cheeks, Chao-Min Zhang +2 more	1999-06-29
D406337	Hand held cryosurgical probe apparatus	John G. Baust, John M. Baust, Lawrence Pottorf, Roy Cheeks, Chao-Min Zhang +2 more	1999-03-02

Hewu Ma — 3 Patents

Issued Patents All Time

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