|
| US4254685 | 13 juin 1979 | 10 mars 1981 | | Drum and drumhead structure |
| US4308782 | 4 oct. 1979 | 5 janv. 1982 | Remo, Incorporated | Laminated head of plastic sheet material and a synthetic fabric material having random fiber orientation |
| US4356756 | 3 avr. 1981 | 2 nov. 1982 | Remo, Inc. | Method of forming a non-tunable head |
| US4362081 | 6 oct. 1980 | 7 déc. 1982 | Remo, Inc. | Laminated head of plastic sheet material and nonimpregnated synthetic woven fabric material |
| US4416181 | 3 avr. 1981 | 22 nov. 1983 | Remo, Inc. | Pretuned head for drum or the like |
| US4469001 | 25 août 1982 | 4 sept. 1984 | Remo, Inc. | Method of forming a non-tunable head |
| US4706540 | 7 janv. 1987 | 17 nov. 1987 | | Tear resistant drum head assembly |
| US4809582 | 31 mai 1988 | 7 mars 1989 | | Outer layer drumhead structure |
