Steigerwald; Carl J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Steigerwald; Carl J..The latest application filed is for "valve assembly".
- Steigerwald; Carl J. - Fox Lake IL
- Steigerwald; Carl J. - Fox River Grove IL
- Steigerwald; Carl J. - Wauconda IL
| Patent | Date |
|---|---|
| Valve assembly Grant 5,009,391 - Steigerwald April 23, 1 | 1991-04-23 |
| Valve assembly Grant 4,895,346 - Steigerwald January 23, 1 | 1990-01-23 |
| Urine meter drain container with large and small sample ports Grant 4,815,477 - McWhorter , et al. March 28, 1 | 1989-03-28 |
| Urine meter valve with tamper indicator Grant 4,728,324 - Steigerwald , et al. March 1, 1 | 1988-03-01 |
| Urine meter with corrugated tube Grant 4,699,155 - Villari , et al. October 13, 1 | 1987-10-13 |
| Flushing device Grant 4,457,487 - Steigerwald July 3, 1 | 1984-07-03 |
| Midstream sampling device Grant 4,301,812 - Layton , et al. November 24, 1 | 1981-11-24 |
| Protective headgear Grant 4,282,610 - Steigerwald , et al. August 11, 1 | 1981-08-11 |
| Device for measuring a urine discharge Grant 4,241,017 - Balistreri , et al. December 23, 1 | 1980-12-23 |
| Specimen device Grant D256,053 - Steigerwald July 22, 1 | 1980-07-22 |
| Protective helmet Grant 3,994,021 - Villari , et al. November 30, 1 | 1976-11-30 |
| Protective helmet with liners Grant 3,994,022 - Villari , et al. November 30, 1 | 1976-11-30 |
| Safety Actuator For Aerosol Containers Grant 3,828,982 - Steigerwald August 13, 1 | 1974-08-13 |
| Small Article Dispenser Grant 3,633,792 - Steigerwald January 11, 1 | 1972-01-11 |
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