Robert E. Hardy has been granted 12 US patents while listed as an inventor at J.M. Huber . The first was granted in 1988 and the most recent in October 2015. Robert E. Hardy ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Robert E. Hardy in Harrisburg, SD, US.
Patents per Year Patents granted per year, 1988 to 2015 Bar chart with a peak of 4 patents in 1992. peak 4 1988: 1 patents 1988 1991: 1 patents 1991 1992: 4 patents 1992 1993: 1 patents 1993 1995: 1 patents 1995 1996: 1 patents 1996 1999: 1 patents 1999 2003: 1 patents 2003 2015: 1 patents 2015
Issued Patents All Time
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Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date
9162816 Double tank assembly with shipping notches and lifting eyes Dean L. Johnson 2015-10-20
6592837 Narrow size distribution ground calcium carbonate compositions Charles B. Denholm , H. Larry Williams 2003-07-15
5882242 Protective garment — 1999-03-16
5573658 Low brightness functional pigment from process by-product Albert C. Kunkle , Bobby R. Skipper 1996-11-12
5385239 Low brightness functional pigment from process by-product Albert C. Kunkle , Bobby R. Skipper 1995-01-31
5190615 Low brightness functional pigment from process by-product Albert C. Kunkle , Bobby R. Skipper 1993-03-02
5158415 Brake caliper suspension system for golf cars and utility vehicles Troy W. Whitley , Terry A. Adams , Michael Sjoblom , James Torbick , Kelly Ward 1992-10-27
5154767 Low brightness functional pigment from process by-product Albert C. Kunkle , Bobby R. Skipper 1992-10-13
5147458 Structured pigment from high TiO.sub.2 /Fe.sub.2 O.sub.3 kaolinite reject material Bobby R. Skipper , Albert C. Kunkle 1992-09-15
D329107 Sectional livestock tank — 1992-09-01
4981686 Personal lubricant — 1991-01-01
D295007 Wall-mounted foldable work bench Duane J. Walhof , Terry A. Adams , David A. Kocak , Donald J. Siglin , Richard R. Klock +7 more 1988-04-05