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Barbara Helfman — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Middletown, OH: #63 of 257 inventorsTop 25%

Ohio: #19,019 of 73,341 inventorsTop 30%

Overall (All Time): #1,080,739 of 4,157,543Top 30%

4 Patents All Time

Barbara Helfman has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1985 and the most recent in October 1998. Barbara Helfman ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Barbara Helfman in Middletown, OH, US.

Patents per Year

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5822918	Planter	James M. Weisberg	1998-10-20
5269095	Planter mounting assembly	Paul Whitehead	1993-12-14
4698936	Partition wall planter	—	1987-10-13
4559738	Top sider planter	—	1985-12-24

Barbara Helfman — 4 Patents

Patents per Year

Issued Patents All Time

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