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Richard B. Hoffman — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Rancho Palos Verdes, CA: #448 of 1,701 inventorsTop 30%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Richard B. Hoffman has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1985 and the most recent in May 2021. Richard B. Hoffman ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Richard B. Hoffman in Rancho Palos Verdes, CA, US.

Patents per Year

Patents granted per year, 1985 to 2021Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851986: 1 patents19861987: 1 patents19872021: 1 patents2021

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11001776 System and method of preparing pre-treated biorefinery feedstock from raw and recycled waste cellulosic biomass Frank S. Barnes 2021-05-11
4693237 Radiopaque coded ring markers for use in identifying surgical grafts Jonathan B. Po 1987-09-15
4602386 Radiology apron having a waist support means Jonathan B. Po 1986-07-29
4527288 Radiology apron having a waist support means Jonathan B. Po 1985-07-09

Frequent Collaborators

Jonathan B. Po3 shared
Frank S. Barnes1 shared

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