RH

Robert A. Hummel

RE Reinforced Earth: 1 patents #12 of 22Top 55%
📍 Cambridge, MA: #2,070 of 8,183 inventorsTop 30%
🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #974,738 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10743376 High power switching devices for inductive heating applications Franklin B. Jones, Eric D. Donahue, Andrew I. Nehring, Daniel Thomas Jones 2020-08-11
10454388 Power converter Franklin B. Jones, Andrew I. Nehring, Daniel Thomas Jones, Eric D. Donahue 2019-10-22
10027251 Power converter Franklin B. Jones, Andrew I. Nehring, Daniel Thomas Jones, Eric D. Donahue 2018-07-17
5316465 Apparatus for providing random rake finish in a cast concrete surface 1994-05-31
4280232 Intraocular lens device 1981-07-28