| 1995 ROBINSON Tongue Depressor SCIENTIFIC Patent 33856 |
| 1946 KORENGOLD Hand Light Tongue Depressor Patent 33020 |
| 1995 HALE Oral Examine Tongue Depressor Patent 33977 |
| 1968 WALLACE Design Tongue Depressor Patent 33526 |
| 1969 FATTORI Tongue Depressor Holder BLAKE Patent 33530 |
| 1994 ELISHA Design Tongue Depressor Patent 33835 |
| 1970 GREATMAN Tongue Depressor PLASTIK Patent 33558 |
| 1990 ROBINSON Tongue Depressor STRUMENTS Patent 33800 |
| 1919 WEDER Design Tongue Depressor WOLFF Patent 32700 |
| 1964 ROWLAND Holder Tongue Depressor Blade Patent 33408 |
| 1918 JACOBY Tongue Depressor SANISPOON Patent 32694 |
| 1953 ISAACS Kite Cable Depressor REGENTS Patent 19313 |
| 1958 CORNFIELD Coated Tongue Depressor Patent 33250 |
| 1969 LEOPOLDI Tongue Depressor Dispenser Patent 33540 |
| 1959 SCHLOSSER Medical Tongue Depressor Patent 8462 |
| 1972 CLIFFORD Design Tongue Depressor Patent 33588 |
| 1968 SCALER Tongue Depressor Mouth Block Patent 33522 |
| 1971 DUVAL Tongue Depressor CONCEPT Patent 33574 |
| 1956 PAGOTO Dental Clamp Tongue Depressor Patent 33219 |
| 1991 AOYAGI Tongue Depressor BI TECH Patent 33803 |
| 1993 SUMMERS Design Tongue Depressor Patent 33832 |
| 1989 ROBINSON EPSTEIN Tongue Depressor MED Patent 33794 |
| 1994 KRUG Design Tongue Depressor Handle Patent 33972 |
| 1967 EDINGER Tongue Depressor Blade HALASZ Patent 33478 |
| 1991 SUMMERS Design Tongue Depressor Patent 33812 |
| 1898 SAWYER Tongue Depressor Design Patent 12243 |
| 1992 ZEISE Design Tongue Depressor Patent 33822 |
| 1955 HULL Hygienic Tongue Depressor OVAL Patent 33196 |
| 1958 BALL ALBERT Clip Slide Depressor Patent |
| 1968 KERCHDOERFER Element Tongue Depressor Patent 33518 |
| 1951 WEHBY Stethoscope Tongue Depressor Patent 33134 |
| 1980 BROCKMAN Cup Tongue Depressor NADEAU Patent 33730 |
| 1913 WEDER Design Tongue Depressor WOLFF Patent 32655 |
| 1964 RING Groove Tongue Depressor SORENSON Patent 33406 |
| 1982 PRIESTMAN Tongue Depressor INTRA Patent 33745 |
| 1973 EDINGER Illuminating Tongue Depressor Patent 33608 |