Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JG

John Grosh — 1 Patent

OLOlin: 1 patents #449 of 783Top 60%
Belcamp, MD: #20 of 35 inventorsTop 60%
Maryland: #19,590 of 35,612 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
John Grosh has been granted 1 US patent while listed as an inventor at Olin. All of these patents were granted in 1991. John Grosh ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John Grosh in Belcamp, MD, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5052302 Unpressurized combustible primer for cannon cartridges Ralph M. Taddeo, Robert W. Deas, Lang-Mann Chang 1991-10-01 $1,427,000