Abstract
Firma DONNAY, tennisracketfabrikant, US 5,299,801
| Original language | English |
|---|---|
| Publication status | Published - 1970 |
Tennis racket with locally widened zones in the head portion
Hugo Sol (Inventor)
Research output: Patent
Hugo Sol (Inventor)
Research output: Patent
| Original language | English |
|---|---|
| Publication status | Published - 1970 |