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RI

Robert T. Ingram — 6 Patents

MAMaster-Halco: 2 patents #9 of 17Top 55%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Penetanguishene, CA: #5 of 47 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Robert T. Ingram has been granted 6 US patents while listed as an inventor at Master-Halco. The first was granted in 1989 and the most recent in February 2002. Robert T. Ingram ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Robert T. Ingram in Penetanguishene, ON, CA.

Patents per Year

Patents granted per year, 1989 to 2002Bar chart with a peak of 2 patents in 1989.peak 21989: 2 patents19891996: 1 patents19962000: 2 patents20002002: 1 patents2002

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6343562 Canoe and kayak mid-point sponsons safety — 2002-02-05
D424389 Lacing tool Michael Lindsey, Charlie Larsen, Gene S. Van Houten, Jr., Kim Man Chan 2000-05-09
D418735 Figure eight hinge Michael Lindsey, Charlie Larsen, Gene S. Van Houten, Jr. 2000-01-11
5542369 Kayak Safety buoyancy stirrup — 1996-08-06
4838196 Kayak safety sponsons — 1989-06-13
4821666 Folding kayak — 1989-04-18

Frequent Collaborators

Michael Lindsey2 shared
Charlie Larsen2 shared
Gene S. Van Houten, Jr.2 shared
Kim Man Chan1 shared

Nearby-Ranked Inventors

Aurélien Joulia6
Michael F. Vollero6
Stefano Fracassi6
Uwe Gruenbeck6
Alexander Matrosov6
Rouzbeh Behnia6
Carole Chapelat6
Mina Sedaghat6
Martinus Johannes Donatus Brakkee6