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Viktor Kalvachev — 2 Patents

ACActivbody: 1 patents #12 of 14Top 90%
EPEz As A Drink Productions: 1 patents #9 of 10Top 90%
Sofia, BG: #263 of 1,349 inventorsTop 20%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Viktor Kalvachev has been granted 2 US patents while listed as an inventor at Activbody. The first was granted in 2017 and the most recent in April 2018. Viktor Kalvachev ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Viktor Kalvachev in Sofia, BG.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D814324 Force measurement device Kostadin Dimitrov Yanev 2018-04-03
D778658 Sculpted chair arm set Angel Ventsislavov Petkov 2017-02-14

Frequent Collaborators

Kostadin Dimitrov Yanev1 shared
Angel Ventsislavov Petkov1 shared

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