Ricky Leffelman — 3 Patents at D&R Tech

Ricky Leffelman has been granted 3 US patents while listed as an inventor at D&R Tech. The first was granted in 2000 and the most recent in July 2012. Ricky Leffelman ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ricky Leffelman in Grantsburg, WI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
8221816	Process for preparing low moisture filata cheese	—	2012-07-17
7437991	System for pressing and vacuum treatment of cheese solids	—	2008-10-21
6155300	Divert valve	Bernard W. Gross, Jr., Harry R. Zirkle	2000-12-05

Ricky Leffelman — 3 Patents

Issued Patents All Time

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