Delbert D. Randolph

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Hays, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Condom display and storage system simulating audio cassette display...
- Patent number 5,450,950
- Issue date Sep 19, 1995
- Delbert D. Randolph
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrometer for determining coolant fluid antifreeze concentration
- Patent number 5,284,056
- Issue date Feb 8, 1994
- Delbert D. Randolph
- G01 - MEASURING TESTING